OpenTechnical

OT-2026-000060546

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000060546) never changes.

Identity and time

Publication numberOT-2026-000060546 · never reused
Internal UUID01a0ae8a-b7cc-7e91-9231-a5dd36353176 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060546
StatusPUBLIC

Content hashes

Canonical text460feb04e68e198eb8b1cce96040c187bc680c56229cd92fa0b6898ea6875890
Markdownf10b29b277312bd04fba4fca7f611765fd888df6bd6376a7b4359a224ed54d47
PDF
Publication pageb693348f93922edb0f15a57d4851c8494601d20a91684f59e58338dd654aa976
Manifesta267bbd67b3d760799df25fa0a49e5a28bdfdf242647b9e25c91970b3056b4f4

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
SignatureLTlf0HWMkKmLOESzsh0DHr4Zd/C+HgwT7LNX4YFj8yCO4Kf7Sxh6a/sQ1L8wCKe67EPukRT8NDJjuKRZtN7iDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-11-01T16:41:16.218234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060546
observed b693348f93922edb0f15a57d4851c849...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-01T16:41:16.170553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060546/manifest.json
observed a267bbd67b3d760799df25fa0a49e5a2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-01T16:41:16.101261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060546/publication.md
observed f10b29b277312bd04fba4fca7f611765...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-01T16:41:16.015335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060546/publication.txt
observed 460feb04e68e198eb8b1cce96040c187...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:43:09.396851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060546
observed b693348f93922edb0f15a57d4851c849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:09.380772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060546/manifest.json
observed a267bbd67b3d760799df25fa0a49e5a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:09.363173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060546/publication.md
observed f10b29b277312bd04fba4fca7f611765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:09.343108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060546/publication.txt
observed 460feb04e68e198eb8b1cce96040c187...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent