OpenTechnical

OT-2026-000011788

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000011788) never changes.

Identity and time

Publication numberOT-2026-000011788 · never reused
Internal UUID01a0ae6d-1941-7b46-b840-49c758c690d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011788
StatusPUBLIC

Content hashes

Canonical textca28c1ac396b73ffaab4847010ccfbe785da1ff9537496d682c7874a609baa09
Markdowna22c866f307ae2c3135c0d6ccd0a63da4dca59bd6907e46584cd0bb32a18e28b
PDF
Publication page3886b3292cbae2ee5d9087fb0f8b55678bcf8014578fe1a5f0752b0cfed51bde
Manifest05e7c50e8bbeb533dc843a1d131fdd197e78aa20fc3356185f33ed60fd2ed640

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
SignatureV1FY2ZclJqlxTh8Iinf8wRn5lqQtJtA8tWLZtsFNvIo/Evx1ncAMcK7dkLqMno4ialp9pWoIriCOhgeb4nrmBA==
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

2026-09-17T12:12:30.578239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011788
observed 3886b3292cbae2ee5d9087fb0f8b5567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:30.558938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011788/manifest.json
observed 05e7c50e8bbeb533dc843a1d131fdd19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:30.539750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011788/publication.md
observed a22c866f307ae2c3135c0d6ccd0a63da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:30.520912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011788/publication.txt
observed ca28c1ac396b73ffaab4847010ccfbe7...
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.