OpenTechnical

OT-2026-000090226

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000090226) never changes.

Identity and time

Publication numberOT-2026-000090226 · never reused
Internal UUID01a0ae9c-428f-70bf-b782-01ab32031918 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090226
StatusPUBLIC

Content hashes

Canonical text69d0e1a24639d8ef37a0b38edf495790eec69dd729ea4abdef3a62ba36ab5e0e
Markdown9c117789870346ce9101cb035e04610f479338130d55ab09543dba6fdefd63a8
PDF
Publication page3d7b470bfac7eb488abb8cc93f5c39289fdb3bece47e5ca2aef1e4354ca8551b
Manifest070b9fec02791efd69f393b59912cb7bb2bfb595d72fbc5e33a70828c36473e5

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
Signature+O9xCcwiODV7wmZygn20Pgi/d+7zclyBGUwalnATh1q5KNPHigD5bwbBqbHtb5hQlSOz6D4gcn1iD2BtGUwmDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:18.380578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090226
observed 3d7b470bfac7eb488abb8cc93f5c3928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:18.363667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090226/manifest.json
observed 070b9fec02791efd69f393b59912cb7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:18.345093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090226/publication.md
observed 9c117789870346ce9101cb035e04610f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:18.326526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090226/publication.txt
observed 69d0e1a24639d8ef37a0b38edf495790...
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.