OpenTechnical

OT-2026-000022542

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000022542) never changes.

Identity and time

Publication numberOT-2026-000022542 · never reused
Internal UUID01a0ae6f-f4fe-7634-9030-8f177f366ee7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022542
StatusPUBLIC

Content hashes

Canonical textd8b3c160f570a38ebecde61be3f4ee03f94245d7574a9388a86b31566eef3854
Markdown6ca133b5e3100c46597af2c64b4921be2d7e1048564cd25d1176ab4856a5c8d3
PDF
Publication page96ca1930711ca70885e2f33301a4193d5c24567d123b475571cae978a4d5d25a
Manifest567b82513f31b14d0e4b6d6bc3fddb7d33c1e5bb08efa16da1ff5a4bdfaac82c

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
SignatureAQbJ/O0pzlXUpiAGXWb13CTOpaJr1hKfG9uz83FodZl0DOggMp8M6MOaSG0UZ+NzsY+GJKxiuVv9p3OoR99cCQ==
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

2026-09-17T11:53:58.610207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022542
observed 96ca1930711ca70885e2f33301a4193d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:58.590987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022542/manifest.json
observed 567b82513f31b14d0e4b6d6bc3fddb7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:58.571737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022542/publication.md
observed 6ca133b5e3100c46597af2c64b4921be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:58.555750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022542/publication.txt
observed d8b3c160f570a38ebecde61be3f4ee03...
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.