OpenTechnical

OT-2026-000010621

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, vented after 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-2026-000010621) never changes.

Identity and time

Publication numberOT-2026-000010621 · never reused
Internal UUID01a0ae6c-0ee8-7283-8367-6012fd7c9ce2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010621
StatusPUBLIC

Content hashes

Canonical text33829465869f204ffada741b5da7d02d25e0134310b7f4fd14558c3d5a6502a9
Markdown99682774423f392bffe0feb1ef51a64ea6ad5a2100a7ef5ca696949822f1bb52
PDF
Publication page0e7bf5d6146f0ff4dbfaa3749a6bf10e8092fba55e3440c955521c60f5919c6c
Manifest8facc172563a7bef06e08cdce8d85ba9a040c78eee1422b3f86763bab8bbe569

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
SignatureWMIT3jZpSTFECtVgB+f31teWY572K8LjUK8ETlCB9Q+9ZLtKQCI/VK3VOywXdJEWYvesZjmu4E7S4Jo0mbqNCw==
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

2026-09-17T12:14:48.903911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010621
observed 0e7bf5d6146f0ff4dbfaa3749a6bf10e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:48.885842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010621/manifest.json
observed 8facc172563a7bef06e08cdce8d85ba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:48.867126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010621/publication.md
observed 99682774423f392bffe0feb1ef51a64e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:48.847670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010621/publication.txt
observed 33829465869f204ffada741b5da7d02d...
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.