OpenTechnical

OT-2026-000009308

Publication integrity record

Single cup vacuum gripper, 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-2026-000009308) never changes.

Identity and time

Publication numberOT-2026-000009308 · never reused
Internal UUID01a0ae6b-31ba-758e-8c30-69578277db53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009308
StatusPUBLIC

Content hashes

Canonical text3f0941d259e87d9512f49eab38991f0697924876c1559c3144305c30157a8a1a
Markdown4b960d727dc37ce1b5c73ab851a0fb6d0e5327bd87b0d644e45010f9c815d162
PDF
Publication pagebd579f7d1bfb1c4fb9e89dafdac9128cd6b0c408d53f9542d9d723b55c4b6ad9
Manifest4744c676b6d0f49200b8c0e4a116d260d70bb3736731407ec48b7c9c03d60805

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
SignatureRr6sSHdJt8Gou2LHScgQBo9E4Piu7C8XIpnobhhM/bHuGmAEXyqhVC28bAaGT1oeUxXF843cjwAOjwbkU8/7Cw==
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

2026-09-17T12:18:05.030334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009308
observed bd579f7d1bfb1c4fb9e89dafdac9128c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:05.013381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009308/manifest.json
observed 4744c676b6d0f49200b8c0e4a116d260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:04.994441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009308/publication.md
observed 4b960d727dc37ce1b5c73ab851a0fb6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:04.975670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009308/publication.txt
observed 3f0941d259e87d9512f49eab38991f06...
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.