OpenTechnical

OT-2026-000014018

Publication integrity record

Foam pad vacuum gripper, single stage ejector, 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-2026-000014018) never changes.

Identity and time

Publication numberOT-2026-000014018 · never reused
Internal UUID01a0ae6d-8deb-73f4-a762-58ec3f2b83da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014018
StatusPUBLIC

Content hashes

Canonical texta993513c7e4bde8d785c3a43794f47762252600467c939faf87009a0b7c7efd3
Markdown709a51b5ff3c3a8b9302e4c70df343937c7c69d559a3e56562089d326f95be17
PDF
Publication pageae5b1bfebba8e70e2cce5b8726cfb9b27b64aa03581011a149fef3d01f708256
Manifestc25c0003c3eb4c18d5c0b3096e31c35aca23660e0b707a5052c82d12e8f8b75b

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
SignatureRyqKIa0DMW9dKGgZUqexAkh78wDPVc7K/39OT+xSQpefKtwwSXMwNqnwiNRrmGX0/4ZldTK6bs+m2vA6FHxgAw==
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

2026-09-17T12:09:14.664216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014018
observed ae5b1bfebba8e70e2cce5b8726cfb9b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:14.646377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014018/manifest.json
observed c25c0003c3eb4c18d5c0b3096e31c35a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:14.627732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014018/publication.md
observed 709a51b5ff3c3a8b9302e4c70df34393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:14.608027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014018/publication.txt
observed a993513c7e4bde8d785c3a43794f4776...
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.