OpenTechnical

OT-2026-000054838

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000054838) never changes.

Identity and time

Publication numberOT-2026-000054838 · never reused
Internal UUID01a0ae86-1285-72bf-820f-dc9ec2e5b02e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054838
StatusPUBLIC

Content hashes

Canonical texte8c76f0f1ac18fc06d1fd7419b880fea47ef5719f924eb54c0371f74a6daeae6
Markdownedd3ae2e13aaab7c2f573c9e7337b2034641f237dd0c7123b84139ce842f8f58
PDF
Publication paged24c61ca3dd6a2e0a5d606543b703dfd983ebca0f31d71cc57308ccd699702a5
Manifestd48c321d17230af94a3776bc4fe2f3839598effb6f2fc2f723ce1360419c6f69

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
SignatureRFcsGNg7oOtLIGmP1inJglI/Q0N1dj+HMi5gr+dgu2ERwC7iYusT7qRjAm54k/kOwep9rMt8l/fedzUlqnZVAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:03.055146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054838
observed d24c61ca3dd6a2e0a5d606543b703dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:03.037439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054838/manifest.json
observed d48c321d17230af94a3776bc4fe2f383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:03.019320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054838/publication.md
observed edd3ae2e13aaab7c2f573c9e7337b203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:02.997470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054838/publication.txt
observed e8c76f0f1ac18fc06d1fd7419b880fea...
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.