OpenTechnical

OT-2026-000009657

Publication integrity record

Two finger electric gripper, stripped 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-2026-000009657) never changes.

Identity and time

Publication numberOT-2026-000009657 · never reused
Internal UUID01a0ae6b-7563-7667-9bd9-413e2de1b2fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009657
StatusPUBLIC

Content hashes

Canonical text1742082b945e1f16f9f0c6a1f6e841558929a6ac950050b880c0da43b2e36364
Markdown63a9658479f8de4c079fde8ec306179d8f0ede3e53b0166e632bacb1b0b9e351
PDF
Publication pagea4b2f021389a1e3e7e58e58b354b22eff16be8cc625f15d679ace7ee0e68cf97
Manifest2d7ef0e8bc45d4469cf5d597f7d8763dc27df113b2184fdb2eadf4979bdc077a

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
SignatureI8BsPU3UVdSrh3BFbftuPPl0zABUZsgya972p170pI964Hvp5Vh3Cacam2QJAIsRixvUIGpjWyOsBgzydcCAAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:07.593732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009657
observed a4b2f021389a1e3e7e58e58b354b22ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:07.575287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009657/manifest.json
observed 2d7ef0e8bc45d4469cf5d597f7d8763d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:07.557023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009657/publication.md
observed 63a9658479f8de4c079fde8ec306179d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:07.537989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009657/publication.txt
observed 1742082b945e1f16f9f0c6a1f6e84155...
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.