OpenTechnical

OT-2026-000009249

Publication integrity record

Single cup vacuum gripper, common isolation valve, three 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-2026-000009249) never changes.

Identity and time

Publication numberOT-2026-000009249 · never reused
Internal UUID01a0ae6b-31b9-73b0-821d-2efcfea7cecc · 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-2026-000009249
StatusPUBLIC

Content hashes

Canonical texta7ca7186795c11864faa422fb6a10a769d62290937aad1ae2655b6e700f86ef5
Markdown7fa120b5b2e0057887b7bcbe6fe286666d7fb8192a2b3c6ad57a8c1108c319dc
PDF
Publication page254515588e7391e1fd6d29bc2f01aa6911bd72308e7dbb1a3f7e06c8a4898fe5
Manifest0644965aca4296fa1f17967ebf3de6655e4a2d57f076d74747493f8fb9715c7a

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
SignatureGdhl5ya6bB0j0KRrTpIYk7/3ALL39qGkswn1yui3uq+s8dT6VOXdiYfUImT6Odh7ib1/v3UfI0iVcgYuy9wYCQ==
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

2026-09-17T12:17:59.265571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009249
observed 254515588e7391e1fd6d29bc2f01aa69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:59.246460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009249/manifest.json
observed 0644965aca4296fa1f17967ebf3de665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:59.228526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009249/publication.md
observed 7fa120b5b2e0057887b7bcbe6fe28666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:59.207914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009249/publication.txt
observed a7ca7186795c11864faa422fb6a10a76...
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.