OpenTechnical

OT-2026-000005976

Publication integrity record

Porous face vacuum gripper, three outlet manifold, ejector fed, contact triggered, vented before set down

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-2026-000005976) never changes.

Identity and time

Publication numberOT-2026-000005976 · never reused
Internal UUID01a0a94b-0d3a-7fc2-9ba3-71e055b0dd2a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:17:43.229768Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005976
StatusPUBLIC

Content hashes

Canonical textb20602533d6a85ded67f53651932042978d557e85bfd694918f1b129047d9254
Markdowna6f597fe5ee0434e66da4048bc40edac2eff4bf11d0c6035af8cdc9682817b8b
PDF
Publication page3d4306ca3570e47f23a11575b95829322e2aea24c0b3ec77e33b1efda1edcabf
Manifestf6aca74301aa6658871ce4180f4310580862dd7ba248a988829691c8b7d6b739

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
SignatureoF1cVn/SZl+sJZYoIHYLwj8haDVX7paULgZyYwIaNg1SnVrr860kMiQh37cMYrLHJk/25l5WT1Wo52/UmNVhDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:10.518710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005976
observed 3d4306ca3570e47f23a11575b9582932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:10.500552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005976/manifest.json
observed f6aca74301aa6658871ce4180f431058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:10.484575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005976/publication.md
observed a6f597fe5ee0434e66da4048bc40edac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:10.465393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005976/publication.txt
observed b20602533d6a85ded67f536519320429...
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.