OpenTechnical

OT-2026-000097573

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000097573) never changes.

Identity and time

Publication numberOT-2026-000097573 · never reused
Internal UUID01a0aea1-92f1-7007-892e-6ec4139b1f08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097573
StatusPUBLIC

Content hashes

Canonical text35825836cf4eb39e5fa182e72becd2e788fc233e77fd7fd6c8759f0b85a5af04
Markdownffb1f0011a66ba0315329d245a51723e4f228ee418286f91caf1952cc036f2f0
PDF
Publication page8371c4396269c1e9648dc3a8604d85d3161d20ed12fe91e1f195c44eeb94fe52
Manifestdac0e8a8dd0ade5a26abf1b7f342dc3d3fbf987b3aaf7be774f352f1688da38e

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
SignatureaQz08Ox+y4H0jmdXeFFXp74ej15/4pLCkKoxhzS36wwAngmMkB2rn7pDPUNEmCwn5teb74ZPEGltWa3ySV0xCw==
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

2026-09-17T09:32:29.151406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097573
observed 8371c4396269c1e9648dc3a8604d85d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.134707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097573/manifest.json
observed dac0e8a8dd0ade5a26abf1b7f342dc3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.116301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097573/publication.md
observed ffb1f0011a66ba0315329d245a51723e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.097788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097573/publication.txt
observed 35825836cf4eb39e5fa182e72becd2e7...
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.