OpenTechnical

OT-2026-000091863

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091863) never changes.

Identity and time

Publication numberOT-2026-000091863 · never reused
Internal UUID01a0ae9d-43ba-7c5b-b7b8-fad121b82303 · 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-2026-000091863
StatusPUBLIC

Content hashes

Canonical text25f533252112aa047b99b497894275e1cc5094bb77424b7e15e5874042ca0f56
Markdown766bda08ac356fa64d62a593c9e32593b17c875498c305a98f77de2be8864253
PDF
Publication page26eb481e5c1c81ab512add28ff2c62f29b2076bcc7841344fa26b70c3d9000b6
Manifesteeb69046cb1f197a258f76e0c7a2bab74ce0e934f821e286ad44a1d8ed571ec2

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
Signature7EasBlv3dV/MShYXPozBpX4nJkpemRu8JD07d236GdGLKhKNZZlayPCNoQgdFQ5GnTgdJRtrPZ/bw4mLW+JhAg==
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

2026-09-17T09:42:47.255063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091863
observed 26eb481e5c1c81ab512add28ff2c62f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.238642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091863/manifest.json
observed eeb69046cb1f197a258f76e0c7a2bab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.220491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091863/publication.md
observed 766bda08ac356fa64d62a593c9e32593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.203907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091863/publication.txt
observed 25f533252112aa047b99b497894275e1...
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.