OpenTechnical

OT-2026-000097416

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000097416) never changes.

Identity and time

Publication numberOT-2026-000097416 · never reused
Internal UUID01a0aea1-55b2-781d-98ad-3ef6abef5dda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097416
StatusPUBLIC

Content hashes

Canonical text4b3aed1a8b0dc91f6d7abe897009cabdabf7dc218651a4b84c472d37c7046794
Markdown446ed65809fa34ef6554c7bcd042832afd859b8909c9593b2b9fec3a6126b626
PDF
Publication page42e36976c36f5df6d5da54e5d4d5f00cd95d564da12164d78a4e0187d1580882
Manifest54404efab00fb6d44505d1d06f6abc1a81287da59ba2ee29e48cba36793fcd4a

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
SignatureVTHR7Q/2oB9IVw1ewGyABoMveA7sieS+Ht4czEY0JNQw713CRXcf3ilTDr4P4w2lk9ACUPKQ+05FYqaYonEFCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:16.066881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097416
observed 42e36976c36f5df6d5da54e5d4d5f00c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:16.048409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097416/manifest.json
observed 54404efab00fb6d44505d1d06f6abc1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:16.030047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097416/publication.md
observed 446ed65809fa34ef6554c7bcd042832a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:16.009414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097416/publication.txt
observed 4b3aed1a8b0dc91f6d7abe897009cabd...
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.