OpenTechnical

OT-2026-000009731

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000009731) never changes.

Identity and time

Publication numberOT-2026-000009731 · never reused
Internal UUID01a0ae6b-7564-7480-9212-2c2920cafbef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009731
StatusPUBLIC

Content hashes

Canonical textd3abc6d5da7ede1f45832d626694ffd00abaac2c2fbb0f67b02ceab2720f2bc7
Markdown1d2ce1dca530c98e7daabeb87f08cd9132b0ec7868195eb64d8317d15f45b19c
PDF
Publication page96ee89e1fd7d2ab3f793bf481c504bad72ff6dc146ebd70fdc3ee2600bcb76d8
Manifest941dd2851fec7f288e97984e415a45f9174f0863c26eab8fdb4eeb008610fd85

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
SignaturexoKRuI6FRe86UZySz52gBgHck8JCGpNmw9gX6llyUwC3YmCOwq47ZUjP4h+DnsML+bp5H287oqbHalWA7zgFAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:13.860975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009731
observed 96ee89e1fd7d2ab3f793bf481c504bad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:13.841463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009731/manifest.json
observed 941dd2851fec7f288e97984e415a45f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:13.822632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009731/publication.md
observed 1d2ce1dca530c98e7daabeb87f08cd91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:13.803584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009731/publication.txt
observed d3abc6d5da7ede1f45832d626694ffd0...
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.