OpenTechnical

OT-2026-000008488

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000008488) never changes.

Identity and time

Publication numberOT-2026-000008488 · never reused
Internal UUID01a0ae6a-e46a-7cec-938c-cbfa4bafc954 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008488
StatusPUBLIC

Content hashes

Canonical textfe9f1ef0f65b734ed3b544f7b13b1c053bdd55bff083b47ae6b50fd3514131d7
Markdowndf99da1a3d27bd36284b21eacaec8dd605c6cdadd875c9ee420ead3066d06aab
PDF
Publication page94c661ad254b1dc61689bbdd13b47c1871560604468cbce6f337c9636733b193
Manifestb73ae096ce59641c1421197970b12724cd463da6e11abda7f2c1d7fbd016a682

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
SignatureQGcY1MoBx0RCbAA32h6WRjxFpyEvFm7v2T9uMi03d2jsxgjCnG1lWnBAYsCqfiqR5EDBxwzuhEo7GNKrSmZjAQ==
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

2026-09-17T12:18:23.188213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008488
observed 94c661ad254b1dc61689bbdd13b47c18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:23.168877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008488/manifest.json
observed b73ae096ce59641c1421197970b12724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:23.149503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008488/publication.md
observed df99da1a3d27bd36284b21eacaec8dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:23.131760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008488/publication.txt
observed fe9f1ef0f65b734ed3b544f7b13b1c05...
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.