OpenTechnical

OT-2026-000064254

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000064254) never changes.

Identity and time

Publication numberOT-2026-000064254 · never reused
Internal UUID01a0ae8d-a460-7ffd-ab46-33cef84ac49e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064254
StatusPUBLIC

Content hashes

Canonical text064bd18ee4f89ae2c5d917e0146f08d604df4c6eb71fef7fc2fe1609e4615e10
Markdown97ee94c6b537f24d36c3d5173c3f695f444ca1785bf70dbfd8a02676ff170e7d
PDF
Publication pageac87ec9a5314608c355f6495856422bc4933d1c009ef5ca26d405dc86f128ebe
Manifest40ce8e99738c9af943a169821471a4642ef7e8539a8b34eb565aa21b280d0bc6

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
SignaturezTexrn6nLetC/Oy7g1fs8VpJ4SowENAGGwKWBP9RYzeVbvnl4muHuXHERKItYoyBM5UqBZ1M2yRBWug+LvbpBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:23.208525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064254
observed ac87ec9a5314608c355f6495856422bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:23.188859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064254/manifest.json
observed 40ce8e99738c9af943a169821471a464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:23.171564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064254/publication.md
observed 97ee94c6b537f24d36c3d5173c3f695f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:23.153963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064254/publication.txt
observed 064bd18ee4f89ae2c5d917e0146f08d6...
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.