OpenTechnical

OT-2026-000072999

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line 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-2026-000072999) never changes.

Identity and time

Publication numberOT-2026-000072999 · never reused
Internal UUID01a0ae92-c815-7938-9136-ec7e536ee28b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072999
StatusPUBLIC

Content hashes

Canonical text02e919d776ef317d28a93ec5718dc6a4add92153f216f3195bd3d2521949de46
Markdownb4d44cc006dd425e639f9b877573979c5aca0338bd73567806c26b0c39040f37
PDF
Publication page0fbf22ecac9c95cdf2deca3b6f918a33d5fc46497f003955e9cf6f4009113478
Manifestad106794ea714217d1030a47f51a0baf816f91b399a69ce6a76506ddb988f006

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
Signature0Tv3X0uaWtXr9avlIUr16qDnWM1J/mM1Dv6H9ldZQfqCsm/Rlsz+Tk4IpOs1xyqN6AaGESenMqVre5+OEpyVAQ==
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

2026-09-17T10:21:55.958741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072999
observed 0fbf22ecac9c95cdf2deca3b6f918a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:55.940532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072999/manifest.json
observed ad106794ea714217d1030a47f51a0baf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:55.925111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072999/publication.md
observed b4d44cc006dd425e639f9b877573979c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:55.909229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072999/publication.txt
observed 02e919d776ef317d28a93ec5718dc6a4...
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.