OpenTechnical

OT-2026-000014038

Publication integrity record

Foam pad vacuum gripper, two stage ejector, 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-2026-000014038) never changes.

Identity and time

Publication numberOT-2026-000014038 · never reused
Internal UUID01a0ae6d-8deb-7cf4-94ad-67df48c86917 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014038
StatusPUBLIC

Content hashes

Canonical text438f0f38120434f3e3c854f79ed6e071426b8ec5dafddea6001758b82a321b73
Markdown6c1f31c53f826dadfcb23c4d660240e70478ed7f145710363be3eb8a26a60861
PDF
Publication pageee46b8a2254d35cc06c2b6b60f03429d241c189789e4be8b6de7d35aa578acbd
Manifesta187b6a8a39abd70c4b13cb41bacb1930f1b4df924844c6af111ef673c66ffa0

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
SignaturerFn/00WzIIvX/2i8IkCk3ZH8dQRy43lCypWEq4MtU0Nk/vM+nAMlTslA6T5hW+HWh7+ee6cK+H1/md0GGaINBA==
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

2026-09-17T12:09:16.290003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014038
observed ee46b8a2254d35cc06c2b6b60f03429d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:16.266742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014038/manifest.json
observed a187b6a8a39abd70c4b13cb41bacb193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:16.248082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014038/publication.md
observed 6c1f31c53f826dadfcb23c4d660240e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:16.228852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014038/publication.txt
observed 438f0f38120434f3e3c854f79ed6e071...
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.