OpenTechnical

OT-2026-000021367

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000021367) never changes.

Identity and time

Publication numberOT-2026-000021367 · never reused
Internal UUID01a0ae6f-865d-7dff-bbb3-c926621a7295 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021367
StatusPUBLIC

Content hashes

Canonical text477ea94d0a6f2290c75e9ddcd233111df2a0a98e7df9ece80d1538723bb2433a
Markdown3f0d902cda5efb350bb4279f1934efbcf4e317b466cce4bf653d9de80cf7edec
PDF
Publication pagebe1f6fa58a652a873bab11f56b4448a85edc2490b7799b2937f94e83ad1bcfbc
Manifest98bfac55a90ebbdb54cf7ab53d2ee0950d982711fb4443e181ed7fed876be35e

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
SignaturewOlVz8SJZQHC5IH6CzM4udg8HWBNLHGDezExkUQoQ8uH+IPwzS0T3+hq2NuY7TOosHF+FVMbQ/uPiYzPYpZaCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:55:13.976591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021367
observed be1f6fa58a652a873bab11f56b4448a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:13.957886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021367/manifest.json
observed 98bfac55a90ebbdb54cf7ab53d2ee095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:13.936140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021367/publication.md
observed 3f0d902cda5efb350bb4279f1934efbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:13.913654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021367/publication.txt
observed 477ea94d0a6f2290c75e9ddcd233111d...
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.