OpenTechnical

OT-2026-000088575

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000088575) never changes.

Identity and time

Publication numberOT-2026-000088575 · never reused
Internal UUID01a0ae9b-8f0f-7822-809a-fa2065310d5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088575
StatusPUBLIC

Content hashes

Canonical text9def7e67c52fceac801ba6c16081568baa1bc2bec5ecd2600b5d561d5c14d4c8
Markdown734b2bc3c948ae6b656469fa46ae7ee4fd27f138a02c6318e3aba3938ab3fde6
PDF
Publication pagee1d0a4134f40280f438499460a68a5b0caa4ef93a2dd63a88132d63e536dfd27
Manifeste49c2f42f2700921325b5fde6c63c99c371486c2a4cb53c4d3210b1bc162721e

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
Signaturezmc8Jnihas012zchc5QpPODOVWt0e8czHRrJgrhBifoKm0amIWE3pwDeDQ2w5kFOweVBCLEenghA0gnY+qn1DQ==
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

2026-09-17T09:47:45.763839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088575
observed e1d0a4134f40280f438499460a68a5b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.747476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088575/manifest.json
observed e49c2f42f2700921325b5fde6c63c99c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.730282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088575/publication.md
observed 734b2bc3c948ae6b656469fa46ae7ee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.710952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088575/publication.txt
observed 9def7e67c52fceac801ba6c16081568b...
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.