OpenTechnical

OT-2026-000077490

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, vented after 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-2026-000077490) never changes.

Identity and time

Publication numberOT-2026-000077490 · never reused
Internal UUID01a0ae94-f50a-74ef-ac4f-5fb79027ee08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077490
StatusPUBLIC

Content hashes

Canonical text201aa30dfc3b35071dc126e38d4a5c9f1bb683c2b266cce12cb31973d693f0dc
Markdown5fb64d0d6f54b0ef814b0890e183c7611f5f7d12b27be0755e0e0933433fc292
PDF
Publication page5552fdd4ed0d3d0d06d8d5cf1ac5479045392e7e23420fe2e08c77a402d8b8f8
Manifest96600e9e04b0fa4f8c99adf1cf117ca178b1c31836b1531728ffbddfd429ddd5

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
SignatureZinWk3lITrrUnskfbvdRC+eQ7axWXXRHyheX2T+KXYTPrDO9nnFXioMdUSzBv18N8Dbl5mH1CmqEFFW59Z4DDQ==
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

2026-09-17T10:11:06.035745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077490
observed 5552fdd4ed0d3d0d06d8d5cf1ac54790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:06.013979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077490/manifest.json
observed 96600e9e04b0fa4f8c99adf1cf117ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:05.996974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077490/publication.md
observed 5fb64d0d6f54b0ef814b0890e183c761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:05.963382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077490/publication.txt
observed 201aa30dfc3b35071dc126e38d4a5c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.212876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077490
observed 5552fdd4ed0d3d0d06d8d5cf1ac54790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.193686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077490/manifest.json
observed 96600e9e04b0fa4f8c99adf1cf117ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.175528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077490/publication.md
observed 5fb64d0d6f54b0ef814b0890e183c761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.137033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077490/publication.txt
observed 201aa30dfc3b35071dc126e38d4a5c9f...
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.