OpenTechnical

OT-2026-000016509

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000016509) never changes.

Identity and time

Publication numberOT-2026-000016509 · never reused
Internal UUID01a0ae6e-2d13-7d11-a733-cab0448709bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016509
StatusPUBLIC

Content hashes

Canonical textc78e43362ca0bf5fbe07cf409acce32de346ab9289fb4aee3f3133e32db5633b
Markdown02ce57c8cd63c1dcb951d9b68db5e4bda115dccb276ad4f2fd43a90fc38cc9f6
PDF
Publication page7057f2dbfa88efe24b28b99a5bdef37a447981ff58b4a3969b331e13a626fe56
Manifestf59c8fae00dacdb5b8b54e1d82a597800d398d5d1e4983410a7794dd61fbdfcc

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
SignatureFkmln8RTrEvoCcM4upilpsPo2U/hBl2DNU+2nZH3S3oo5V20toIwRPz9ce1Vj5uYfAMBDhSq1SWN2tr1eDKeCg==
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

2026-09-17T12:04:43.319709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016509
observed 7057f2dbfa88efe24b28b99a5bdef37a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.302059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016509/manifest.json
observed f59c8fae00dacdb5b8b54e1d82a59780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.285252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016509/publication.md
observed 02ce57c8cd63c1dcb951d9b68db5e4bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.268171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016509/publication.txt
observed c78e43362ca0bf5fbe07cf409acce32d...
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.