OpenTechnical

OT-2026-000031274

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000031274) never changes.

Identity and time

Publication numberOT-2026-000031274 · never reused
Internal UUID01a0ae74-87ac-7ab2-8ac9-5d7300c9455e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031274
StatusPUBLIC

Content hashes

Canonical text7e4632e43594bee87120cd9a6afb1e0f65ae3db7cf643878ed63f5614523a707
Markdownc5212db6e55477ae18f1ab21c41a589035ae15810f1467cedf6b98d8701e2add
PDF
Publication page368a2a35020e5aadeeafbb02e479d0f529ee1bd092049cf3c8891cb40a7687b7
Manifestdc5c466b8da19a9f91abfeb378650cc010a02290739b1e3c4bd8f38d4bda0762

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
SignaturerglNLMOQ3xM1nCXGD4RavcHo6lD5m0v1WyYA/dKwG7OD317ShxGNZmXOWOcZHgBkvDUzA3/Cl9ZQf9yVxNvRDQ==
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

2026-09-17T11:35:51.303616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031274
observed 368a2a35020e5aadeeafbb02e479d0f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:51.282535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031274/manifest.json
observed dc5c466b8da19a9f91abfeb378650cc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:51.265675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031274/publication.md
observed c5212db6e55477ae18f1ab21c41a5890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:51.248646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031274/publication.txt
observed 7e4632e43594bee87120cd9a6afb1e0f...
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.