OpenTechnical

OT-2026-000063787

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, pulsed 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-2026-000063787) never changes.

Identity and time

Publication numberOT-2026-000063787 · never reused
Internal UUID01a0ae8c-f947-7ad2-a9ab-a503679ac316 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063787
StatusPUBLIC

Content hashes

Canonical text2cef12566884264fe5b5bedba1af7029fa75f18ee9978da662dcbc3d9224f334
Markdownc8ca171fe73503394086d5f9ed10167bd465937d293a121be5ac6feed75d9ed7
PDF
Publication page3a15271f9b55819ef71c9ee43273b8d915ee54101d80c8b32792c58464e1eed7
Manifestbb0b9b5fc6f47ae36970d853c53e8905af48b08ad753da280178c92d1376fed9

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
SignatureNk5IR70QKvBH9yiat8epqt9cvB10tKNJ7pXNiH916Dhs2gzbMvMvrdtbw6mOR0HElA2eMOrwkLEt7pF2gVGpBA==
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

2026-09-17T10:40:04.759855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063787
observed 3a15271f9b55819ef71c9ee43273b8d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:04.733855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063787/manifest.json
observed bb0b9b5fc6f47ae36970d853c53e8905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:04.713583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063787/publication.md
observed c8ca171fe73503394086d5f9ed10167b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:04.691354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063787/publication.txt
observed 2cef12566884264fe5b5bedba1af7029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:27.886136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063787
observed 3a15271f9b55819ef71c9ee43273b8d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:27.867808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063787/manifest.json
observed bb0b9b5fc6f47ae36970d853c53e8905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:27.849351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063787/publication.md
observed c8ca171fe73503394086d5f9ed10167b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:27.829143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063787/publication.txt
observed 2cef12566884264fe5b5bedba1af7029...
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.