OpenTechnical

OT-2026-000062539

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000062539) never changes.

Identity and time

Publication numberOT-2026-000062539 · never reused
Internal UUID01a0ae8c-0ac1-73f6-9109-af0943cdc494 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062539
StatusPUBLIC

Content hashes

Canonical text4d85ff645f1b40506c8f447d5d8e8549c8b3919832655a6df480b14da47b7dea
Markdown6cfd31f024f612a5268fc45df3340b14a91cfb151f09cd078fe873c2f96230f4
PDF
Publication page0afedc672d6a4f769bf4207b99d55e968175747c441c987296aed0d5f6765c84
Manifest27df801649fbb58a67813884900905f4f7066aad512bde37356fd7e7c5093313

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
SignatureORyJsuT896NGsXijelL9DFdkpAqvZiqPi8Huh/vsEAvl1lZZ1rLUP7iLL/a3QJkqTefrymr06JCfm3HiR86OCw==
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

2026-09-17T10:40:00.179882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062539
observed 0afedc672d6a4f769bf4207b99d55e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:00.160254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062539/manifest.json
observed 27df801649fbb58a67813884900905f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:00.140529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062539/publication.md
observed 6cfd31f024f612a5268fc45df3340b14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:00.119745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062539/publication.txt
observed 4d85ff645f1b40506c8f447d5d8e8549...
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.