OpenTechnical

OT-2026-000014147

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000014147) never changes.

Identity and time

Publication numberOT-2026-000014147 · never reused
Internal UUID01a0ae6d-b278-7097-bbab-75d23ecaacc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014147
StatusPUBLIC

Content hashes

Canonical text4678a4a4e2b83ea7fdc9d762cb1da9fa628cb753c6f78e678837961369facb4d
Markdownb24df18113b2826a8bc2b98b32c503a462747b5845af5a18609075a0a4751122
PDF
Publication pageb999b5709b220914c3b9eb43ab594f2fafab9eb19d08a4ac367cd9821b2de18f
Manifest46746d5198983f85ee4a4c4eb42c76ef996a119e2f72c339e2f03c21fa93a685

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
SignatureOwNR6K03Ss8fyBnuH/Jx+TKgdgat7j5IB1Httz92pkgsgnpb9wMbaBImEMQW5P1uUKRUusBjEyxoJQgaV8qOCA==
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

2026-09-17T12:07:13.625341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014147
observed b999b5709b220914c3b9eb43ab594f2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.605174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014147/manifest.json
observed 46746d5198983f85ee4a4c4eb42c76ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.583899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014147/publication.md
observed b24df18113b2826a8bc2b98b32c503a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.563197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014147/publication.txt
observed 4678a4a4e2b83ea7fdc9d762cb1da9fa...
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.