OpenTechnical

OT-2026-000089545

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold 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-2026-000089545) never changes.

Identity and time

Publication numberOT-2026-000089545 · never reused
Internal UUID01a0ae9c-1a21-7817-a2ec-04114ab0e6db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089545
StatusPUBLIC

Content hashes

Canonical text90f85fc5aae1a0faf60049035aa6ced88e8a7e871647fd8b72362ea487843f19
Markdown6bc8f4622f5f66fedcfefccc5b013363f10344db65f170fe050055d8d0e65ee9
PDF
Publication pageb9db021ce72433f49ffd7fa40db24fcd526a87646db5f56b206d5b044a212bf8
Manifest50f23db487411f005accd84d544aa741b1bd0ba13e74bb5cb9f187f859884fba

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
Signature9BWSDyJA1E6InfaguI2F6vk2NXQCMRgr/4Mt1kr5fO4R7Q2KWRu+4z4jXkWOp4NF988uqGtdXbFsnkHzfhRzDw==
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

2026-09-17T09:46:30.792348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089545
observed b9db021ce72433f49ffd7fa40db24fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:30.774940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089545/manifest.json
observed 50f23db487411f005accd84d544aa741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:30.756820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089545/publication.md
observed 6bc8f4622f5f66fedcfefccc5b013363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:30.737980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089545/publication.txt
observed 90f85fc5aae1a0faf60049035aa6ced8...
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.