OpenTechnical

OT-2026-000014939

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000014939) never changes.

Identity and time

Publication numberOT-2026-000014939 · never reused
Internal UUID01a0ae6d-d095-7724-8088-d1a1ba38fc71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014939
StatusPUBLIC

Content hashes

Canonical text52cdbfae1009e9df5ed393b9d646b20d25eeb0ba7b566841eae86de14d31d4f8
Markdown96253daa23fefb66b9af5accd7f0281e8e706dfb6377716d35d872def3a6c16e
PDF
Publication page58497074467c0f66ad5917ad7afe7ed43274fedef9497826b891792ae83260f3
Manifestc27f16b167fe9df69d6394b98cfe7d4a5e08fcd27986823a05854c9e5c17b6e4

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
SignatureIutvRqmnasxkn/KmMWCZDYE8M1eHj9vUHoJGs3CWrhSYlaNYIEyl/SElk/KDPf2H59cWemrXmL47ZIkdrcXLCQ==
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

2026-09-17T12:06:53.055347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014939
observed 58497074467c0f66ad5917ad7afe7ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.037104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014939/manifest.json
observed c27f16b167fe9df69d6394b98cfe7d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.017843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014939/publication.md
observed 96253daa23fefb66b9af5accd7f0281e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:52.998038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014939/publication.txt
observed 52cdbfae1009e9df5ed393b9d646b20d...
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.