OpenTechnical

OT-2026-000080733

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, sustained 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-2026-000080733) never changes.

Identity and time

Publication numberOT-2026-000080733 · never reused
Internal UUID01a0ae96-b973-7538-b991-00497f09942f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080733
StatusPUBLIC

Content hashes

Canonical text4d098fd2efa219084a193d2dd5d7ea4d956b23005a4b885f74cf084a78e936c3
Markdowne6890f4d397fcfcfe937db880219dbf4d9f29426cfb6b0f67c4a2ea5b06a6b6d
PDF
Publication page1abfa12850174d56ddf6d53e236ae486a6822ad74c1412a293efafae902291de
Manifestf5c23aa00e55a7ddda7d6b737cb988c9baf3dc60e63e05cbc9934a9d972e7294

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
SignaturezMpkbma7G0MSxn7pkE0qbkeFBG2Cv3rWbgQ9ehBIvfopAemI9b1Nce854fXQ2XdBcT4kZlfEAE8XjX5+8KTqDA==
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

2026-09-17T10:01:46.500462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080733
observed 1abfa12850174d56ddf6d53e236ae486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:46.477108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080733/manifest.json
observed f5c23aa00e55a7ddda7d6b737cb988c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:46.454848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080733/publication.md
observed e6890f4d397fcfcfe937db880219dbf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:46.435656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080733/publication.txt
observed 4d098fd2efa219084a193d2dd5d7ea4d...
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.