OpenTechnical

OT-2026-000089274

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000089274) never changes.

Identity and time

Publication numberOT-2026-000089274 · never reused
Internal UUID01a0ae9b-db01-7378-b796-e9153f131bbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089274
StatusPUBLIC

Content hashes

Canonical texte5a1b33208d75901e514bcf2b99a7aae971335b78836b064ce02594e489db455
Markdownd38d521aa7dac2df70cb84532b98045a44c1d2062111c046a598159accbb8fac
PDF
Publication page0e492c95d4e6722fbad26f9b0469ac3177d5142ae117b117be57aa47df9145f9
Manifest5f83292c75fa2fda65bf084baf54922fd9bea39913811872143055feb42aa8d3

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
Signatureouw7ha2/VMYvMR5FJfEMiY7FuOMbyIzV5XSO85Xb86hvmqgNTttVEvRbIKJ9WLKn0maBXQoih1O5hLEvqfcvCw==
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

2026-09-17T09:47:18.907252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089274
observed 0e492c95d4e6722fbad26f9b0469ac31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.889813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089274/manifest.json
observed 5f83292c75fa2fda65bf084baf54922f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.870913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089274/publication.md
observed d38d521aa7dac2df70cb84532b98045a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.853686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089274/publication.txt
observed e5a1b33208d75901e514bcf2b99a7aae...
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.