OpenTechnical

OT-2026-000008121

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained blow-off 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-2026-000008121) never changes.

Identity and time

Publication numberOT-2026-000008121 · never reused
Internal UUID01a0ae6a-908c-75a4-af95-65743bd9c819 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008121
StatusPUBLIC

Content hashes

Canonical text103e81e9870b6f033fc9a327cfc5ed2903fe8abe4a817ea0e1e16c3f02956163
Markdown10049c23d7e56d0f1a54109ae252e25d06f5ac29cb65829e7ed2bd2b9d08d233
PDF
Publication pageb9ccd1bf69cb6e7c10320805a8ca879529560478399d7dca0aa3ba60e8d246d1
Manifest2ee02006f1f1b6378783626495ca2d7fb35d7bfa8369d33a16ed7ca0169f796d

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
SignatureyoH7fGrnfmtuqfxPvv1NAZvTmh6LIZy8qQwRteJGnFjs1PtpURX16c2+vo1XrOZl3xpXfeJZbw0pgBhqK3DMAg==
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

2026-09-17T12:20:26.535138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008121
observed b9ccd1bf69cb6e7c10320805a8ca8795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.517562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008121/manifest.json
observed 2ee02006f1f1b6378783626495ca2d7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.501171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008121/publication.md
observed 10049c23d7e56d0f1a54109ae252e25d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.482601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008121/publication.txt
observed 103e81e9870b6f033fc9a327cfc5ed29...
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.