OpenTechnical

OT-2026-000050219

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000050219) never changes.

Identity and time

Publication numberOT-2026-000050219 · never reused
Internal UUID01a0ae82-5c46-7849-84ea-7c7025032700 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050219
StatusPUBLIC

Content hashes

Canonical textf15e29807824209dd0aa294ae5c4b3e2702a1ae3a068d528d2a0acee1606685f
Markdown3271a8afd056d9c0700542bf6f5bf044b5e868de3e5059b3dbdb195555d71a6f
PDF
Publication page88b5a67586df491556f82accf9fd04b25721a2dc4e9a913f2503c4d96499edde
Manifestd6021668a5dc57f70759432b23f6ffcaa122bb2122e0a31bc756ad3ccd11bda5

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
SignatureZpZZWIRnElbeJlA68iPWognAdmtSY0pjCla2cctn57TZfYviIlwPCuWERh9rhwneGJW2we/UAIYB9QRW5WBaAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:01:12.712872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050219
observed 88b5a67586df491556f82accf9fd04b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.695895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050219/manifest.json
observed d6021668a5dc57f70759432b23f6ffca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.646735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050219/publication.md
observed 3271a8afd056d9c0700542bf6f5bf044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.598414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050219/publication.txt
observed f15e29807824209dd0aa294ae5c4b3e2...
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.