OpenTechnical

OT-2026-000056247

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single 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-2026-000056247) never changes.

Identity and time

Publication numberOT-2026-000056247 · never reused
Internal UUID01a0ae87-4bd1-7728-90d5-90a025a7a2ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056247
StatusPUBLIC

Content hashes

Canonical text48beec0c0c67c0fb8e9de63355ba8d1cd28a5d461b569e5a0071fadee660b548
Markdown8f7874a9ce88ccb9382cc09e9730c3ba118a65fdea1b73637f922770d709a2ee
PDF
Publication page43b996c0c7935e6d25871c5926b918eeda60023784efa77112b7af37608644ce
Manifestf71915076745205eda8f8a00d6b537fda552898f3d5fcefd81024fa9c0f0fffd

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
SignatureZ4aSjZxpJVSU2KO8n/JiBnZb1yp+pyxhzSHRsx0830vsm6IfqGGmHhV4bIpxQ3EmeQ41/7QbG31e2bm8JunYBA==
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

2026-09-17T10:50:43.675467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056247
observed 43b996c0c7935e6d25871c5926b918ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:43.659760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056247/manifest.json
observed f71915076745205eda8f8a00d6b537fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:43.640646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056247/publication.md
observed 8f7874a9ce88ccb9382cc09e9730c3ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:43.622076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056247/publication.txt
observed 48beec0c0c67c0fb8e9de63355ba8d1c...
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.