OpenTechnical

OT-2026-000078914

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000078914) never changes.

Identity and time

Publication numberOT-2026-000078914 · never reused
Internal UUID01a0ae95-ccbd-7ae1-aea9-9df66ff6127a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078914
StatusPUBLIC

Content hashes

Canonical text88c451ed0368ac6efa62ed0052c6cb42d2d346ae40a5510960b45c746c9f8d6e
Markdown8bb6a42b8741d6af6cbc6523f2375d5e947d871964b04d7080a76cdc3be4ff4c
PDF
Publication page20317bac9d9bb3c9ae102c20d325b505220a0c120b6f8a7a66cb13ca35cdc469
Manifest6ba2e773e664d9f3f1953740a539025d1315b27ec7dca96f51e51a310f282527

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
SignaturecV5bYIzdXVTrq54a+qgqPrVsiBF2MaTlq0BSZPTEUaZSQvFT/FJnH8e87m4OcKuTlFSW42EAXogskSA4N7T/AQ==
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

2026-09-17T10:05:43.836408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078914
observed 20317bac9d9bb3c9ae102c20d325b505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:43.818155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078914/manifest.json
observed 6ba2e773e664d9f3f1953740a539025d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:43.799907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078914/publication.md
observed 8bb6a42b8741d6af6cbc6523f2375d5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:43.781052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078914/publication.txt
observed 88c451ed0368ac6efa62ed0052c6cb42...
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.