OpenTechnical

OT-2026-000009901

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000009901) never changes.

Identity and time

Publication numberOT-2026-000009901 · never reused
Internal UUID01a0ae6b-cb78-7c99-a68f-c129d1015417 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009901
StatusPUBLIC

Content hashes

Canonical text3cf17a2d178fcd43cb6c6f0a3ee447f6a7e9f47d0d38328e760010185ef3de36
Markdownea3ae37fb8193703c76874c8531e8837aae7dfbbec7bc152db0f8055814e079c
PDF
Publication page02815aea3aac0e978e65fac78a206dce9a02582a2fb92d9e614e525d455e8b7b
Manifest04beff7d91921a309bd66683b06e05b22c246d15c056a52c04e2e15c5fa94b5d

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
SignatureXAU8yfgK5Kv9T8w1HwpFiefn0/PtdwtDHmh9pkaNAiOhfbQphSKkCdLEmT6DC0uUmNRIynCaeNZzhf5kcImRBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:54.898910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009901
observed 02815aea3aac0e978e65fac78a206dce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.879715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009901/manifest.json
observed 04beff7d91921a309bd66683b06e05b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.860973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009901/publication.md
observed ea3ae37fb8193703c76874c8531e8837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.842079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009901/publication.txt
observed 3cf17a2d178fcd43cb6c6f0a3ee447f6...
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.