OpenTechnical

OT-2026-000081825

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, sustained blow-off before set-down

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-2026-000081825) never changes.

Identity and time

Publication numberOT-2026-000081825 · never reused
Internal UUID01a0ae97-0f75-7d54-8d49-2b1bfb932c03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081825
StatusPUBLIC

Content hashes

Canonical textefcb425855a23b1a8d4a8ea1eb179e75ed43dda8d4a565c5c6a5b668fe54a3e1
Markdown6b612e441b25f6d0e53aeafd6075b8508a2465923196c29578787c81d66213f5
PDF
Publication pagefa085e0ed73aad773692f561d4929c04b3af0effa5524b7d0b02e5bec8fd6247
Manifest098078b304fc20ed1abe6e51b01c992b177c95240203a8fdfd2ef4b32db554d1

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
Signature1v682FR6N7nE9ulWvnh4PxHVs2qZcnvgW7KzKf4XkF1St7sQCwfNLwsAY7+WZtpo9GrSyETTZzW6donRA79CAw==
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

2026-09-17T09:59:55.975140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081825
observed fa085e0ed73aad773692f561d4929c04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.957225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081825/manifest.json
observed 098078b304fc20ed1abe6e51b01c992b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.938287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081825/publication.md
observed 6b612e441b25f6d0e53aeafd6075b850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.920182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081825/publication.txt
observed efcb425855a23b1a8d4a8ea1eb179e75...
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.