OpenTechnical

OT-2026-000009737

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000009737) never changes.

Identity and time

Publication numberOT-2026-000009737 · never reused
Internal UUID01a0ae6b-7564-73b1-845d-75ac54e59c6e · 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-2026-000009737
StatusPUBLIC

Content hashes

Canonical textfb9a7e444558c25419007ebfc1ea55882119eb5c72c931a6b241ad8cc42fde4a
Markdown43f23d83ae845b75cf3fb42ff02e4b5e027ce8b8864effd83097d18051966b96
PDF
Publication page670ba5da91261901883c7d7714952f5d700e9a460c7c3e6da6e77253ba4ba322
Manifest2cfdfd60092dd5ecb96dab76da530f0b7646526b02b92cd6bbc615d72ca7d8b7

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
SignatureAxk1vaMvgqcoQI6Y5eiR3cSiN6vvtRc5hGg7xKpj8GRsqPLxbPDFKKe3kfBsCOCOEEQrkhkekRENRv4hHy1tDA==
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

2026-09-17T12:17:14.348422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009737
observed 670ba5da91261901883c7d7714952f5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:14.328146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009737/manifest.json
observed 2cfdfd60092dd5ecb96dab76da530f0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:14.308572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009737/publication.md
observed 43f23d83ae845b75cf3fb42ff02e4b5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:14.290222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009737/publication.txt
observed fb9a7e444558c25419007ebfc1ea5588...
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.