OpenTechnical

OT-2026-000056215

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000056215) never changes.

Identity and time

Publication numberOT-2026-000056215 · never reused
Internal UUID01a0ae87-4bd1-710c-88f7-f53545b9f509 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056215
StatusPUBLIC

Content hashes

Canonical textddf1b55b6dfcccee15938cb9e162ef0e0b32ee9fb44f5232a870060e8b1ed580
Markdownb520c40ce5e15345f399c0efdae7d7bc3d1d7162c6bef20b9f9f5156b997bfb7
PDF
Publication page42a44333584a829a7168342680f79cce1f53ebd01c356e56eae6106aa01271ea
Manifest63bb3aed22dd5092ba4a9b5c3a71550b8c0e1937a034ca2508c8fdaba2181d04

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
SignatureuBFWfzUkroILP2zsVLS6zFxkX1Xf7/QJ5LmLSOHPWtcU4IfwYxhmG00cQo4o4mMHfqJZC6ZrMtSitF1GfVvRCw==
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

2026-09-17T10:50:41.397138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056215
observed 42a44333584a829a7168342680f79cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:41.379343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056215/manifest.json
observed 63bb3aed22dd5092ba4a9b5c3a71550b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:41.363319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056215/publication.md
observed b520c40ce5e15345f399c0efdae7d7bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:41.346234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056215/publication.txt
observed ddf1b55b6dfcccee15938cb9e162ef0e...
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.