OpenTechnical

OT-2026-000036875

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000036875) never changes.

Identity and time

Publication numberOT-2026-000036875 · never reused
Internal UUID01a0ae77-773e-7c38-a91c-911c6dee627f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036875
StatusPUBLIC

Content hashes

Canonical text6df6866fddf262d983ee3713eae55e5248cfdd8da1f6f0ce783915ec67d13d1c
Markdown88293899d2e63b08f6112c7732c81d7b95f60a174f24c5559230480c1d68d38a
PDF
Publication pagec6653229a705e327e0c6179d67ecf2ce06e72a17aae68280cdb12ccd2f253020
Manifest74c8c9bdabf67774c3b4dd8e73b4dbc2e54af598b22a26113efdc4733a4a8472

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
SignatureGzk6bhsSy5VPu57IIBaZlSewMN0gBgyNl7yaVKPMKverRBvNev8yWLNgZSay4RRBj2A2KUqGFU4FcB3WC9TPAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:24:30.495003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036875
observed c6653229a705e327e0c6179d67ecf2ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:30.477144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036875/manifest.json
observed 74c8c9bdabf67774c3b4dd8e73b4dbc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:30.460059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036875/publication.md
observed 88293899d2e63b08f6112c7732c81d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:30.442431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036875/publication.txt
observed 6df6866fddf262d983ee3713eae55e52...
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.