OpenTechnical

OT-2026-000079178

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000079178) never changes.

Identity and time

Publication numberOT-2026-000079178 · never reused
Internal UUID01a0ae96-0b8f-7284-9d04-5d15ad4627de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079178
StatusPUBLIC

Content hashes

Canonical text8a0241bec8a1ef2e52f2755e3c53694fc557b015c6e5d57bbd7e90b0870c6317
Markdownbfd7c9af9503ffe5f79a65b7c12e9d9afa42ec90bb3b4a28bdab546c6782e922
PDF
Publication pagec713fea9a8c3ddf04e84e3a9134f362807154debc0a6d57be9d08cbd12ccf477
Manifestff6eccf196aadf4adbf9d6d7d49b6c5e72e8d504b3b2755a97e1c6a191e551f8

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
SignatureE5e0Zx1XkLRQW9K80Y3xN6pr0cFoz7h6BG1xUNLFcUq+gcGqsWhQmH4Dpeaq4LxTxKYVSIjU/SBGxFib9VSiDg==
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

2026-09-17T10:04:46.238089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079178
observed c713fea9a8c3ddf04e84e3a9134f3628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:46.220321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079178/manifest.json
observed ff6eccf196aadf4adbf9d6d7d49b6c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:46.202220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079178/publication.md
observed bfd7c9af9503ffe5f79a65b7c12e9d9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:46.183657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079178/publication.txt
observed 8a0241bec8a1ef2e52f2755e3c53694f...
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.