OpenTechnical

OT-2026-000039861

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000039861) never changes.

Identity and time

Publication numberOT-2026-000039861 · never reused
Internal UUID01a0ae78-d8d6-79da-a0cd-e709dd4a0011 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039861
StatusPUBLIC

Content hashes

Canonical text08ed9392d6d9b7040bf31c29f650feed14e956f13cfca148fbbb0b6e373b4c6d
Markdownf62e1dcbd6cb476487582d05bdbaf77ccc1ba510757da66c69777b409328f932
PDF
Publication page91fd0f78007ac1d6a10c27a095aaea5d10dc53209fd937e636cbb9bd37f0aaf1
Manifest6dd69991facc85120f2ad37c5fef74c8a99ef7a1132057b4db91e7bfd7addf09

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
Signature9FVfvr/6IKDaOhsJVYTyoVdknZi+fcCcBTHbgsgpBGt3k2qy9vrRboJFToJiw0cgTcBggzrLWsPx+lW3dsvWAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-10-08T00:42:21.267614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039861
observed 91fd0f78007ac1d6a10c27a095aaea5d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T00:42:21.163245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039861/manifest.json
observed 6dd69991facc85120f2ad37c5fef74c8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T00:42:21.085412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039861/publication.md
observed f62e1dcbd6cb476487582d05bdbaf77c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T00:42:20.987775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039861/publication.txt
observed 08ed9392d6d9b7040bf31c29f650feed...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:19:32.840527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039861
observed 91fd0f78007ac1d6a10c27a095aaea5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:32.821158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039861/manifest.json
observed 6dd69991facc85120f2ad37c5fef74c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:32.800693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039861/publication.md
observed f62e1dcbd6cb476487582d05bdbaf77c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:32.688777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039861/publication.txt
observed 08ed9392d6d9b7040bf31c29f650feed...
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