OpenTechnical

OT-2026-000025655

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000025655) never changes.

Identity and time

Publication numberOT-2026-000025655 · never reused
Internal UUID01a0ae71-9bc9-7000-9e55-23b764b367e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025655
StatusPUBLIC

Content hashes

Canonical textaed6d7eaace09f1d97c8575404011f8e16f7dbf2ff6d5fd9995c6440ce081c48
Markdownf34557f1f9ebded39adf9090a92ef02e91df428d1b74d8431f9ab7d5a2761209
PDF
Publication page64d5e2b6bd963898abea1538865585a9dd3b7ac389b754bb28707ef00f9466e1
Manifest17f75b8f465e5700dfb0d2495ffc02fb30996a085bf7a60fef0e02ccbc5dff58

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
SignaturevDPcXDglwoIAjXGEEsBFIzR3qCd/7chrABvBlO4EzYyBEKNsSS/39X1ZnAJj+jy9imQs3bEw6KQvNoyR2IOiAA==
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

2026-09-17T11:46:51.630754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025655
observed 64d5e2b6bd963898abea1538865585a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:51.612323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025655/manifest.json
observed 17f75b8f465e5700dfb0d2495ffc02fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:51.592486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025655/publication.md
observed f34557f1f9ebded39adf9090a92ef02e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:51.574427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025655/publication.txt
observed aed6d7eaace09f1d97c8575404011f8e...
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.