OpenTechnical

OT-2026-000062799

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000062799) never changes.

Identity and time

Publication numberOT-2026-000062799 · never reused
Internal UUID01a0ae8c-6389-7804-a3dd-1e383e8ea83c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062799
StatusPUBLIC

Content hashes

Canonical text510d66776512e523356ea4dc35fc446bcc190eaf6369e9e451ea9a3d31af4add
Markdown4983188c13c5301c89c68b121f8e6e5be54b9af846a8c01902615939709533f1
PDF
Publication pageecd7b2e48309d18f99913d7fbc00ec39fdd811f108b983c2f4ad3b64d8dc18d8
Manifestee392f5088a3d5fd1246e68b491a607b614780b18c18d32d66cfa926e2162505

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
SignatureYwC4gIzXKl32Iv4QQEJfGehiJEldZsnwtqpN+UpH+pCFLChyyaVlcob6Zn9YnZyxRdzB2nC6OL0PQ1kq4qBtCg==
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

2026-09-17T10:39:23.533183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062799
observed ecd7b2e48309d18f99913d7fbc00ec39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:23.517568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062799/manifest.json
observed ee392f5088a3d5fd1246e68b491a607b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:23.500808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062799/publication.md
observed 4983188c13c5301c89c68b121f8e6e5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:23.484038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062799/publication.txt
observed 510d66776512e523356ea4dc35fc446b...
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.