OpenTechnical

OT-2026-000016008

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000016008) never changes.

Identity and time

Publication numberOT-2026-000016008 · never reused
Internal UUID01a0ae6e-0c4d-7c02-9358-c15b9bc0d97a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016008
StatusPUBLIC

Content hashes

Canonical textbd088ca53ad2b4cdfe30462179a70bebd85010da346f29473332dda1c8e44c98
Markdownd392cb227bfd52cce437d30abc72596c326f15dc166a6c4dbeace5808249f45b
PDF
Publication pageb1363eddc6078f5045fd12cc39cf774e0070a6b7d27e06ab2410364065a00d06
Manifestfde798977d6b75ae5a5103f7f2886dc4b4a84d447c9a9c3ca5d833cd19b0b55b

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
Signaturem1SZO0D5zviN2Qu5pi3KKbdCfHpvTE/jaL2CWhqqGYihmLTAOQXsKMOmF3TUg2lZQDOWL5kTb1PisLeol3H4Bw==
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

2026-09-17T12:05:32.612634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016008
observed b1363eddc6078f5045fd12cc39cf774e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:32.585542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016008/manifest.json
observed fde798977d6b75ae5a5103f7f2886dc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:32.556737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016008/publication.md
observed d392cb227bfd52cce437d30abc72596c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:32.524296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016008/publication.txt
observed bd088ca53ad2b4cdfe30462179a70beb...
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.