OpenTechnical

OT-2026-000091604

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000091604) never changes.

Identity and time

Publication numberOT-2026-000091604 · never reused
Internal UUID01a0ae9d-43b8-7616-a1d7-05fae6be0491 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091604
StatusPUBLIC

Content hashes

Canonical texta637dad04f13c98554e7aa16bba4397ef95348a38c37762038628b2ddc01770e
Markdownd732b8e2c9e974fa7cc55162922e44f59a2797878a85f856c6917d9852d49d45
PDF
Publication page265fae350909bf14d52fd3e508cdce9241eeee098145b371e4d026f14c739f66
Manifestb11278fddd2e247a2efea4b659d18b776d56bd4ef4f467cbddc6935977c977be

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
SignaturepBEbqRpIvM7hhg4nVqM39qs5UvDmjkfpLKYrIGZ6yayzbAb8mxz48S55OoTmjE2OIQo7/xnGJHlYRQUzZAbdDA==
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

2026-09-17T09:41:57.542180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091604
observed 265fae350909bf14d52fd3e508cdce92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.524254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091604/manifest.json
observed b11278fddd2e247a2efea4b659d18b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.507676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091604/publication.md
observed d732b8e2c9e974fa7cc55162922e44f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.489522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091604/publication.txt
observed a637dad04f13c98554e7aa16bba4397e...
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.