OpenTechnical

OT-2026-000026781

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000026781) never changes.

Identity and time

Publication numberOT-2026-000026781 · never reused
Internal UUID01a0ae72-3451-7ca5-9e96-eeac4620a77b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026781
StatusPUBLIC

Content hashes

Canonical textd4ec96c61f9d56cbce26066221574b2d5a3e84f0008a1fe113a2f62525f3dea2
Markdown8a6713c6be65d6662e22eae6a1b9cbab4772dfda67b0090459294a40dcefae93
PDF
Publication pagef833519967b939814a93535e88afdfd69350566f700394d45125eaf54c7041d5
Manifest0abd493f032dabe38b9547357fa3e2a99974782130629d21b6165393d5b3db57

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
SignatureoxURmAfrVTm5YWBWYDrJ+MaTw1wDnN7nmt1CmdeGcutAuiPHVpLOOMFab8R2Zv6ptGAUJ3Stl9WnUAkpH7TCBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:43:21.280501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026781
observed f833519967b939814a93535e88afdfd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.263795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026781/manifest.json
observed 0abd493f032dabe38b9547357fa3e2a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.248285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026781/publication.md
observed 8a6713c6be65d6662e22eae6a1b9cbab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.231902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026781/publication.txt
observed d4ec96c61f9d56cbce26066221574b2d...
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.