OpenTechnical

OT-2026-000044415

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000044415) never changes.

Identity and time

Publication numberOT-2026-000044415 · never reused
Internal UUID01a0ae7c-39d7-7344-ad74-89fada1673ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044415
StatusPUBLIC

Content hashes

Canonical text1917a6c2436ab6866843775247f89214cd8124b0b37c73d798e851e10e2ff65f
Markdowndf0e8272194f90c6f0a6876330b4a2bbbaf6f5410d3aad94b8302bd7d953bbdb
PDF
Publication page679c407e921e29ae9a05be3a6a359465bb749c09ee017c63a485347a6962de6c
Manifestd80df54a6f905e7f7ca9508a5fe10cb633c0f56a56668695a1cf2a40dd7e00ef

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
Signature1b7yNhYnNoK0Kk9GOSb0TeUldvG+uueEIhDkDlDbyWoxFEkrmNtgWBxtXwk2zsa8/AG/VAipo+tyxfvkWedeCw==
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

2026-09-17T08:30:42.491774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044415
observed 679c407e921e29ae9a05be3a6a359465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:42.474632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044415/manifest.json
observed d80df54a6f905e7f7ca9508a5fe10cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:42.331918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044415/publication.md
observed df0e8272194f90c6f0a6876330b4a2bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:42.315217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044415/publication.txt
observed 1917a6c2436ab6866843775247f89214...
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.