OpenTechnical

OT-2026-000020635

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed blow-off before 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-2026-000020635) never changes.

Identity and time

Publication numberOT-2026-000020635 · never reused
Internal UUID01a0ae6f-65e1-7fa4-9bc7-07d7d6b02575 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020635
StatusPUBLIC

Content hashes

Canonical text3fa5e37851babd509b661091532e552fbb920ea94c96fb257f1bf2211b70654d
Markdownb7c0511513ee9a882cfa6ecae58281c12be1d63d965150e1009040c9b15b3239
PDF
Publication page0b694cf8c4f2adb126c6549de0cfc87a5de4a07ca1fac7b147429bc8d5b90622
Manifest9fb3e997eb40a3fd67417d13896307f9ce4bbc4a1459e017b5e694d56545f025

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
Signaturex2/Ina2bbWtQVPyakdsQ111g6Hc0gVEy2x12dZfq9VMiEfOMyc3ydhhhCkdP+HE4j5pVgaWH2Of3laMqtTVZCQ==
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

2026-09-17T11:55:35.077892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020635
observed 0b694cf8c4f2adb126c6549de0cfc87a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:35.059712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020635/manifest.json
observed 9fb3e997eb40a3fd67417d13896307f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:35.043575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020635/publication.md
observed b7c0511513ee9a882cfa6ecae58281c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:35.026303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020635/publication.txt
observed 3fa5e37851babd509b661091532e552f...
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.