OpenTechnical

OT-2026-000077930

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000077930) never changes.

Identity and time

Publication numberOT-2026-000077930 · never reused
Internal UUID01a0ae95-2ed1-78f9-b336-8dd4605fea2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077930
StatusPUBLIC

Content hashes

Canonical textd88f4ca1aaf50e26aba5e989216f3f4b6ae6c996721ddbbff4d557abbadde4f1
Markdowna473833bed2d60d775716f683a50c30d01b3369b14cc2ebeecce41bce525de38
PDF
Publication page97f6a32d19bd54a4974dd728fba1ad6c95317ba4dd52803a71adebae348db112
Manifestbd9ab253cafb1253bfd0828d3d317d655045709504c002dd57adbd2a4db051a8

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
SignatureRYSBqHcOmTfhJ5Q0cj+3A1VSHNY2F75+Z5PBCPfNg00iOTy99nwixAPLJZ6iguOwQBp+Y1jIa9yLKJ4K9z7vAA==
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

2026-09-17T10:10:12.454419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077930
observed 97f6a32d19bd54a4974dd728fba1ad6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:12.310284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077930/manifest.json
observed bd9ab253cafb1253bfd0828d3d317d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:12.284139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077930/publication.md
observed a473833bed2d60d775716f683a50c30d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:12.263621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077930/publication.txt
observed d88f4ca1aaf50e26aba5e989216f3f4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.529920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077930
observed 97f6a32d19bd54a4974dd728fba1ad6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.512385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077930/manifest.json
observed bd9ab253cafb1253bfd0828d3d317d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.493907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077930/publication.md
observed a473833bed2d60d775716f683a50c30d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.473383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077930/publication.txt
observed d88f4ca1aaf50e26aba5e989216f3f4b...
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.