OpenTechnical

OT-2026-000027518

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000027518) never changes.

Identity and time

Publication numberOT-2026-000027518 · never reused
Internal UUID01a0ae72-6998-74d9-be5f-fbc8f1eac2a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027518
StatusPUBLIC

Content hashes

Canonical text228fbf21097c5bef56843908143a65dd4c1f52e84e69dd04d42b1c4885e185e8
Markdownca69f543ceb657cbbbd0028a9912b6e9a7f518b56b8351bbc56d107f434c0280
PDF
Publication pageb7a35117bf91b49312cb706828485e874abfd9322e3707597dd3632eae93ebd0
Manifest4880bd538ce3c804e7d93f4adbbcd5ec5aac8952b1c1c0e20cfcceb63d726b23

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
Signature+LbKnrzTya/6+Cs7+oKq02ou/A8LTVZmU98hK7IIu794gpx3TJpvle7NyicQEOPQFWF2g+UZoy2lJBggZ3xuCA==
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

2026-09-17T11:42:59.812039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027518
observed b7a35117bf91b49312cb706828485e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.792219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027518/manifest.json
observed 4880bd538ce3c804e7d93f4adbbcd5ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.770958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027518/publication.md
observed ca69f543ceb657cbbbd0028a9912b6e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.752022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027518/publication.txt
observed 228fbf21097c5bef56843908143a65dd...
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.