OpenTechnical

OT-2026-000056317

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000056317) never changes.

Identity and time

Publication numberOT-2026-000056317 · never reused
Internal UUID01a0ae87-4bd1-714a-971d-f46ef2f74d01 · 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-2026-000056317
StatusPUBLIC

Content hashes

Canonical text55064ecfc13b8622cd3165c49ab3eb373fc5d2080f9692b2c86cc764a959600e
Markdown3d0263a7cee7fe6fffa656c29ed607a88efad9b144e3c10cda2c2a5850e6f920
PDF
Publication page3f2e24ea2464599e500dd3ff0048cc647b7da90cb1059a92b65eef79e6fad8fb
Manifest21a52b1cdf6aa8433c092e90291364758f7f2b494c8872f8734933710a0eedba

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
SignatureEt1DwbhgJeSFrIPX/aVw17kMd8Pjb/v7Xm3OXRCOBUz5Xd8dzE1XyrrcVN3l8wFs8EwKe1BD9DEInk/GIQ+nAQ==
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

2026-09-17T10:50:49.136717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056317
observed 3f2e24ea2464599e500dd3ff0048cc64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:49.119073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056317/manifest.json
observed 21a52b1cdf6aa8433c092e9029136475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:49.102803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056317/publication.md
observed 3d0263a7cee7fe6fffa656c29ed607a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:49.086713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056317/publication.txt
observed 55064ecfc13b8622cd3165c49ab3eb37...
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.