OpenTechnical

OT-2026-000062321

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000062321) never changes.

Identity and time

Publication numberOT-2026-000062321 · never reused
Internal UUID01a0ae8c-0abf-7e14-9634-8ad1bc03e13f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062321
StatusPUBLIC

Content hashes

Canonical text001e9f2aeb24c7af00557228c84d7b818b9cf45f159b99df7bbdc1caca473dfc
Markdown4b7cc7ab9833397a1d5cc9f7a289a8a2fd0d14b5da4eec51bf9007090c9ae346
PDF
Publication pageeb9e5c80b0b054ec7409ab33d27c6792caf363ec8981b2b2631c2ce43e55bd82
Manifest59e2567b37ffec5f7225bd2b73bb411e87c8e86f8a9233ef303ebe5a81b5d1bf

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
SignatureQkZ+BoIVUbbzL5+lZ0xA1LCPaKoIyhpK93FD401F/iE/ZD4DitYIhpyMD0QXsKgnPbUAYCuFk3a+caYbrpUeAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:37.559800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062321
observed eb9e5c80b0b054ec7409ab33d27c6792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:37.541930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062321/manifest.json
observed 59e2567b37ffec5f7225bd2b73bb411e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:37.523999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062321/publication.md
observed 4b7cc7ab9833397a1d5cc9f7a289a8a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:37.506717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062321/publication.txt
observed 001e9f2aeb24c7af00557228c84d7b81...
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.