OpenTechnical

OT-2026-000089081

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000089081) never changes.

Identity and time

Publication numberOT-2026-000089081 · never reused
Internal UUID01a0ae9b-daff-793e-a585-3341fedab7fa · 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-2026-000089081
StatusPUBLIC

Content hashes

Canonical text93e12042455b8499c0a90110026095789ee041adfb381ca73310f19d8c4a8505
Markdown4f5aa05ee101519bb9b0bbfa3fdff6133bdc868e5f95495921db4cbb8b866e9f
PDF
Publication page23ebdf7df915808d444ccb9f017cc540a70c6546c47343f7b7462c74f5e2d903
Manifestb24dc2534a84c4d0d0d8576b4fc1044cf72c027dfd080a26352664e453113bc8

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
Signaturexw09ckcA1pKQxPiT1zoVd5n8mS9EFAoI5Ifhz0Ton0vonI/MeEETxUkl+MpBinn1vg2uGnZivR/2g6mwWrBgDQ==
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

2026-09-17T09:46:59.085258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089081
observed 23ebdf7df915808d444ccb9f017cc540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:59.068821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089081/manifest.json
observed b24dc2534a84c4d0d0d8576b4fc1044c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:59.051832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089081/publication.md
observed 4f5aa05ee101519bb9b0bbfa3fdff613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:59.034576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089081/publication.txt
observed 93e12042455b8499c0a9011002609578...
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.