OpenTechnical

OT-2026-000091436

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091436) never changes.

Identity and time

Publication numberOT-2026-000091436 · never reused
Internal UUID01a0ae9c-f16d-77db-bc67-46855e1f4a70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091436
StatusPUBLIC

Content hashes

Canonical texte7b9313c35f4c4b868d489eb1775981c979e8199a389f23862f8730fb120c845
Markdownf204a7f62ba9d2104c9c92c66f40d7967e7de44250d7205c7eb61a0c325580b1
PDF
Publication pageea9b7987a1c9cf0d7429fdffc63c1754bcc0b203b92129e6f3a91e2894da93d6
Manifestfa3f13ceeeec2ef0e6147b7e889f4210de6b5d03a9c756b5bf7d44a85a6097c9

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
SignatureaCdeRsfS08PDC27Sd8cPDz05aaIUkTcixT0mrlqtJMnSS2+uHLDgeauC6m1k6AlT9zjRps0+gSPwpqrM4iE2Cw==
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

2026-09-17T09:43:40.684944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091436
observed ea9b7987a1c9cf0d7429fdffc63c1754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.666340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091436/manifest.json
observed fa3f13ceeeec2ef0e6147b7e889f4210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.648095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091436/publication.md
observed f204a7f62ba9d2104c9c92c66f40d796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.628829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091436/publication.txt
observed e7b9313c35f4c4b868d489eb1775981c...
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.