OpenTechnical

OT-2026-000083009

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000083009) never changes.

Identity and time

Publication numberOT-2026-000083009 · never reused
Internal UUID01a0ae97-c961-730d-8146-a46c122b106a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083009
StatusPUBLIC

Content hashes

Canonical text0515e102500207688f2d0c826c47b6a92bc0fe7f680f3ab485d4d77722c06ed5
Markdown7e75c94e9c565461d08985abc082fc211e7ac0981a5df1db8739ddaf763551d9
PDF
Publication page843ecb8b5de3ced82d02a4b959972a1094241f31aab97f6f6788d57a3c137eaf
Manifest3478f497f49e98c7e3bfdb64e98bf4a1bc5512349786570e841d6853a2338557

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
SignatureHEGzc3p9WUrORBeXO7CaY14upwHavoEWcdjxv6e/LtazxH+aAYZI7RFSqaikOcbQVp51Gd2EqaFIE2VXHiSrAg==
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

2026-09-17T09:00:17.317463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083009
observed 843ecb8b5de3ced82d02a4b959972a10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:17.170877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083009/manifest.json
observed 3478f497f49e98c7e3bfdb64e98bf4a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:17.151361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083009/publication.md
observed 7e75c94e9c565461d08985abc082fc21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:17.129280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083009/publication.txt
observed 0515e102500207688f2d0c826c47b6a9...
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.