OpenTechnical

OT-2026-000056549

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000056549) never changes.

Identity and time

Publication numberOT-2026-000056549 · never reused
Internal UUID01a0ae87-7af5-7a2e-a9ec-fa26337f743d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056549
StatusPUBLIC

Content hashes

Canonical texta1092038187a51e375be81d7eeb2ca91c26ad08be8b5cf814bfde0837c9f507d
Markdowna2c336ee41adb317ec56f163f75bbe4fcb4805b2f01ed1388c62cf712f218838
PDF
Publication page32f3dd88f3cafc18cb3f4da669ca1d6061124462e968c7b507e407835231fc34
Manifest60624aa8e71f91bf42319d2e784b550aef9ef020fe9425e01d472a37b438051b

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
SignatureR1uKJSAE8IcGl7z5TiupXr3uNL3WNlnef49naYErWMlMkBHdyI2/P7jN4COPBVwQHbZft1FCwQi04HxAZPCpAw==
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

2026-09-17T10:49:52.921608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056549
observed 32f3dd88f3cafc18cb3f4da669ca1d60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.904115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056549/manifest.json
observed 60624aa8e71f91bf42319d2e784b550a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.886231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056549/publication.md
observed a2c336ee41adb317ec56f163f75bbe4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.868883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056549/publication.txt
observed a1092038187a51e375be81d7eeb2ca91...
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.