OpenTechnical

OT-2026-000073062

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000073062) never changes.

Identity and time

Publication numberOT-2026-000073062 · never reused
Internal UUID01a0ae92-c816-73e0-8a1e-9f7a9fbbf217 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073062
StatusPUBLIC

Content hashes

Canonical textdaff83d256fa25a1cf61b9f48e485a2a62e801ffbcf2b100443524d6e18dc8ec
Markdownee85876847a4f4d9aa3efce33824ebf2d122c8a04c510c9836725b7740dbbddb
PDF
Publication pagebbc85d3cd3dfe0fd2cf8aec5402f2e5bd067aa21ee6603e0040da5e4319cd102
Manifest0c57bf8d8f02a3cc170c69541b0a4997ea26b5959ce2758dfc3ee8f5a6bc9a0f

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
SignaturehnS6sJnqKCmvNfMSNB54yXctqRhBoT3MWUh3j6+efXgSZ9yCsL7zDylHZiK4XUMbPfmy7SRjB3D9S1EwNBPECA==
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

2026-09-17T10:22:00.569124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073062
observed bbc85d3cd3dfe0fd2cf8aec5402f2e5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:00.551767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073062/manifest.json
observed 0c57bf8d8f02a3cc170c69541b0a4997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:00.534818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073062/publication.md
observed ee85876847a4f4d9aa3efce33824ebf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:00.518207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073062/publication.txt
observed daff83d256fa25a1cf61b9f48e485a2a...
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.