OpenTechnical

OT-2026-000102573

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000102573) never changes.

Identity and time

Publication numberOT-2026-000102573 · never reused
Internal UUID01a0aea4-858a-716f-ac77-bbd43fce6a9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102573
StatusPUBLIC

Content hashes

Canonical textd1826c933424a843ca182084ef0f2d001057a707e7471944e52832944b4c0d7a
Markdowncfc1b6a227c45039971821aa8e69eb2e5d0a766e0317c45cbfa7668aa95e5437
PDF
Publication page714791702f806a0cf740613b8c66209359f61ea625f3c34039827ccf9a807409
Manifestb43fecd6764657f435f2d83cd2a6249ad2358404c4fc86ac251232d7830f90a7

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
SignatureGmuO9ZpaL+NvGVJ13F3iSPpACNoM3mjoGNNhUmBY9Q24rFTWJNJcieWj2EhWIU57nojN7WIoeXWe7cVNyG8RBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:03.418736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102573
observed 714791702f806a0cf740613b8c662093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.400013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102573/manifest.json
observed b43fecd6764657f435f2d83cd2a6249a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.380816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102573/publication.md
observed cfc1b6a227c45039971821aa8e69eb2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.358032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102573/publication.txt
observed d1826c933424a843ca182084ef0f2d00...
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.