OpenTechnical

OT-2026-000086451

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000086451) never changes.

Identity and time

Publication numberOT-2026-000086451 · never reused
Internal UUID01a0ae9a-2c97-746d-8c14-c74a06fb8546 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086451
StatusPUBLIC

Content hashes

Canonical textaa0f03fd54002a47d48f292d610bab05635aac506614d36028c4db9fc769ada2
Markdown1f7ea6d4bdea9cab67e26c7b5d5eb5c7a5dcc77e553618ab5fcf4cd8eb2854bc
PDF
Publication page55347f6d50db2c44d3e8a7b56f79f1492defd523f99f2907d7c3584160895480
Manifest489e3821e579e8e1b6d7a9352511f82237fd786e48bd1e757a091837d9659e96

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
Signaturem3CBDN7LHVOUdvOPZ9YRRaXEK5r7cROB7Xo8igCzLLQQoujgsxhqiwjc8miOp26TSvCkTskjX3yeSr26y2/3Dw==
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

2026-09-17T09:52:15.207663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086451
observed 55347f6d50db2c44d3e8a7b56f79f149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.190157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086451/manifest.json
observed 489e3821e579e8e1b6d7a9352511f822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.173899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086451/publication.md
observed 1f7ea6d4bdea9cab67e26c7b5d5eb5c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.154639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086451/publication.txt
observed aa0f03fd54002a47d48f292d610bab05...
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.