OpenTechnical

OT-2026-000032691

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three 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-2026-000032691) never changes.

Identity and time

Publication numberOT-2026-000032691 · never reused
Internal UUID01a0ae75-1070-78cf-89d3-f08550e37bd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032691
StatusPUBLIC

Content hashes

Canonical text61dcab35747f759d8c4de9908661ab191136c7517351af03b50e5194b7de1f41
Markdown4f3add67935ae75ba2d50a7f6149043332fca51e570a2facc59781c64f8aacd1
PDF
Publication page3c0e3299f94df65ff8354083605c034932c663f18162b2e15bdc974e1a78edf6
Manifest0ce03064fc7074d17dacf07f4a426e3e75964aa2a1baeca1ec2657e74ffcc125

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
SignatureknmjQk7GzKe1ZVAuHe7f+FKaMrbbeT6u80mKMu9XHQVucHjqkBo8LmpQgDVG/ps67/6Kk7aN+BXaJW8f6lM2CA==
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

2026-09-17T11:34:18.077594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032691
observed 3c0e3299f94df65ff8354083605c0349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.059818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032691/manifest.json
observed 0ce03064fc7074d17dacf07f4a426e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.042467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032691/publication.md
observed 4f3add67935ae75ba2d50a7f61490433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.024178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032691/publication.txt
observed 61dcab35747f759d8c4de9908661ab19...
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.