OpenTechnical

OT-2026-000074759

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000074759) never changes.

Identity and time

Publication numberOT-2026-000074759 · never reused
Internal UUID01a0ae93-ac2b-74ed-b000-be6342dd96c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074759
StatusPUBLIC

Content hashes

Canonical textfda25ece48e61c36b4155f421d2ce388b766f2b88931f8801197f940d56cf7f8
Markdownc213483234fe1a790b0fb3ae9e9b4cab7d4cc46552b16519032f68f6c12dc0bf
PDF
Publication page603978f674f3fbf3155b8c40211c7add9959f61ca7dd1f417b3966b83faeb542
Manifest9db4b04873efeb789020d538afccdb800910bc19ca9a8c37ed5e84cf65d5b804

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
SignaturemXfRsA3M4Unv9Q36sUQ7L9uDgjEf37EW/47MunaQxfpzZvJyd9qG1DrswO3dAnP2j/DowGHVCP2i6qj28jUdBQ==
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

2026-09-17T10:18:26.944941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074759
observed 603978f674f3fbf3155b8c40211c7add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.927400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074759/manifest.json
observed 9db4b04873efeb789020d538afccdb80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.908722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074759/publication.md
observed c213483234fe1a790b0fb3ae9e9b4cab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.889634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074759/publication.txt
observed fda25ece48e61c36b4155f421d2ce388...
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.