OpenTechnical

OT-2026-000015895

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000015895) never changes.

Identity and time

Publication numberOT-2026-000015895 · never reused
Internal UUID01a0ae6e-0c4d-7e01-b2ea-6a9b4ab74bca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015895
StatusPUBLIC

Content hashes

Canonical textfe011bcb23f4b57fc8dcfd16226d258a470228e616ba9b7d1f9d8ca3cc4c7c3f
Markdown1b1af231410b65fd6c2745428b2bbe570face76abcf53a052baa7accb5ff705f
PDF
Publication paged4bb533a60de723a28fea5b67bbb385b4f863dcf7f25b7a37a54b26ac7f656b3
Manifestdf054fc02953a79eedca8ce780b3bfc86845927ea5ce7296544cd866fdbb1bd9

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
Signaturemu1+1XGN09NMafKWv0h4m8v4Rz217xCgJRELsk/5U5IqIGVd112hd5D1n+FLXpGy/K/ndsaAFIfzXT7Sgf7BCQ==
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

2026-09-17T12:05:21.171512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015895
observed d4bb533a60de723a28fea5b67bbb385b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:21.153975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015895/manifest.json
observed df054fc02953a79eedca8ce780b3bfc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:21.133802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015895/publication.md
observed 1b1af231410b65fd6c2745428b2bbe57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:21.113929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015895/publication.txt
observed fe011bcb23f4b57fc8dcfd16226d258a...
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.