OpenTechnical

OT-2026-000085650

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000085650) never changes.

Identity and time

Publication numberOT-2026-000085650 · never reused
Internal UUID01a0ae99-aaad-77f3-9516-4d2a6cc96421 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085650
StatusPUBLIC

Content hashes

Canonical text25e748cee6119abb17e38c3716fb1b4dc90aa99516b25537758446bb2f1dbf13
Markdown6884efc4df0e6f2f084be9e650319f0e0f86dc96a58dcb4b916a91770e08e058
PDF
Publication pagee94519d186acd42337bd52b15bca9d9e358f1bb7d539011db686932460e82cfa
Manifestcddde1b85df56044035742991889a134999c91bed003a9f01ee5a6cbb2cab612

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
SignatureOUCOxLury9allGdxjBvQiIxY1frZf41w75+QyLSVu0UIbNWdRwhLE0PXPrmzB3bSK20MN+OYzIylZ9LXWcHLCA==
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

2026-09-17T09:54:32.329012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085650
observed e94519d186acd42337bd52b15bca9d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.312857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085650/manifest.json
observed cddde1b85df56044035742991889a134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.295061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085650/publication.md
observed 6884efc4df0e6f2f084be9e650319f0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.276852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085650/publication.txt
observed 25e748cee6119abb17e38c3716fb1b4d...
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.