OpenTechnical

OT-2026-000057143

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057143) never changes.

Identity and time

Publication numberOT-2026-000057143 · never reused
Internal UUID01a0ae87-d5b9-7180-a1e2-be912fe8e0b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057143
StatusPUBLIC

Content hashes

Canonical text32475c0fa5668784ec8cebcc8a16e7b8839bc34e1ae3f709ea550b394aa643f1
Markdown1e335e2486ae8692d4a1993473f632c97a8edf162d18dff4e86f9c1acc7846d1
PDF
Publication pagea4dbaa6194a2375f5a1d799964425d022cc6d3b5c94ae61534b181bf4a372ddd
Manifest13eedca56a82f1360069acc50cd7eb9b4f41943b6c08d523ddcedcbe1a2fc6f5

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturemv+Vd42fk7G/hyNoJGZMi4JmFqqsm6eDxE884zAdGa86VvEFRi/s3RJEcfgIG3GWS8T81CfQ5/zxst5adNKlAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:08.964340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057143
observed a4dbaa6194a2375f5a1d799964425d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:08.945383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057143/manifest.json
observed 13eedca56a82f1360069acc50cd7eb9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:08.926063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057143/publication.md
observed 1e335e2486ae8692d4a1993473f632c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:08.908104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057143/publication.txt
observed 32475c0fa5668784ec8cebcc8a16e7b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.332122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057143
observed a4dbaa6194a2375f5a1d799964425d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.315784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057143/manifest.json
observed 13eedca56a82f1360069acc50cd7eb9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.298892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057143/publication.md
observed 1e335e2486ae8692d4a1993473f632c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.281533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057143/publication.txt
observed 32475c0fa5668784ec8cebcc8a16e7b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.