OpenTechnical

OT-2026-000009190

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, supply line 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-2026-000009190) never changes.

Identity and time

Publication numberOT-2026-000009190 · never reused
Internal UUID01a0ae6b-31b9-7728-bdeb-97076009212d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009190
StatusPUBLIC

Content hashes

Canonical texta6f1f4682b7b8502553e66eecd34028085da2dbad0cb3fc2eab417b48faeb605
Markdown37f37561f56c4f31af00ea7aaca63ad6b57d7d82f82724560d51c7ce9d5f494c
PDF
Publication page5e5d2d10dd82eb48029dfd68ecc4799005a12d926f1fcbff7043db7f1a1059e7
Manifest8f3d5aad2e3c55ff5113d8408c95baf2a4daf0e166b441fb101ae10609b46477

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
SignatureSTANnLNlHzOQEt2kbCCWDNzmFcxj4qi+myaYYampd9+pddobDahHAlBWiZCV5LLh1PN7XawS5+9y0PA8hBf5BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:54.319788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009190
observed 5e5d2d10dd82eb48029dfd68ecc47990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:54.298044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009190/manifest.json
observed 8f3d5aad2e3c55ff5113d8408c95baf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:54.278447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009190/publication.md
observed 37f37561f56c4f31af00ea7aaca63ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:54.257439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009190/publication.txt
observed a6f1f4682b7b8502553e66eecd340280...
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.