OpenTechnical

OT-2026-000008830

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000008830) never changes.

Identity and time

Publication numberOT-2026-000008830 · never reused
Internal UUID01a0ae6b-31b7-76b2-bc40-7867288248a5 · 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-2026-000008830
StatusPUBLIC

Content hashes

Canonical text05071103c60fb2c097ab00170ae6e22f95d6ee3a256374dd88e76f365d6d02b5
Markdown102540c4f00621840062b32fcc674709895bc7cec81cfa0a7a6c2df77f7cdc7c
PDF
Publication pagecf03db645ab40cbe451d47181a3bcd9d62dfd718e3448949c3872e421fdf534b
Manifestb1400caf51be48820a997516b62e78e01a0757c71a023de68492aebcc921b189

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
SignatureZ0gToOLHTW1pfBOKKdbjt4i2BmVw46sDX++OpWlKvVDF7lKmsNIlcU/H98JKuX1gU7Zn+pOoPLMDQIL/1BXTBw==
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

2026-09-17T12:17:23.668430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008830
observed cf03db645ab40cbe451d47181a3bcd9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:23.649225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008830/manifest.json
observed b1400caf51be48820a997516b62e78e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:23.632003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008830/publication.md
observed 102540c4f00621840062b32fcc674709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:23.613362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008830/publication.txt
observed 05071103c60fb2c097ab00170ae6e22f...
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.