OpenTechnical

OT-2026-000078923

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000078923) never changes.

Identity and time

Publication numberOT-2026-000078923 · never reused
Internal UUID01a0ae95-ccbd-79a7-8859-d64b7722c913 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078923
StatusPUBLIC

Content hashes

Canonical text9fc132fd1a9aa114cda220489202c2e7cff1777e585d372cf2bcfd001c150b4e
Markdownfbc5e094176d1d474e279609ac957da09152ac1251448fb0f6067bed00e2a32c
PDF
Publication pagef64dc71a276d4cab2f9a03b19bfa5e129981a8f95c87c2b7d92ad039f285c40d
Manifesta500bd788c316c12752c955b210c3520bf856d4497ce847d6ad96ad502dc33d5

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
Signature39WRFAHCwqzmA43uz69nKtHulVLrpCb0Ks9RgPg0K0WmHOEM9MBju3j9qsKkJbyQ3ZYQDezfp5eQcC1pbceuBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:44.743177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078923
observed f64dc71a276d4cab2f9a03b19bfa5e12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.725988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078923/manifest.json
observed a500bd788c316c12752c955b210c3520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.708537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078923/publication.md
observed fbc5e094176d1d474e279609ac957da0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.691237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078923/publication.txt
observed 9fc132fd1a9aa114cda220489202c2e7...
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.