OpenTechnical

OT-2026-000009524

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, vented 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-2026-000009524) never changes.

Identity and time

Publication numberOT-2026-000009524 · never reused
Internal UUID01a0ae6b-7562-7785-a51c-a4a14d8c9a27 · 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-2026-000009524
StatusPUBLIC

Content hashes

Canonical text6a20c83a3bf4c96cc5f795ac2bace54f11a40529b89b7e186109dfe89a629484
Markdownc87502b74477b1a590bf6ad9fa1df44a3b4289f22a09a5f1417d0ceecc0e1718
PDF
Publication pageacbb7ad6aeca8b7acff2780172bd4c8bb092625f84180c90ee621f6c12c3435f
Manifest8ae8b22f3e71f14255363e42cf0195ee70d718e4fbcce44dea0a4213f857f7fc

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
SignatureTtGBkmW0HonvmKI7G8mJlPhZeZPP7htrTCIPisTxM80+1aKX5SnDDBdnT54Db/DLnWUSsCx+rxrsvXRPglqzCw==
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

2026-09-17T12:16:56.419699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009524
observed acbb7ad6aeca8b7acff2780172bd4c8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:56.400780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009524/manifest.json
observed 8ae8b22f3e71f14255363e42cf0195ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:56.381915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009524/publication.md
observed c87502b74477b1a590bf6ad9fa1df44a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:56.363016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009524/publication.txt
observed 6a20c83a3bf4c96cc5f795ac2bace54f...
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.