OpenTechnical

OT-2026-000030635

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000030635) never changes.

Identity and time

Publication numberOT-2026-000030635 · never reused
Internal UUID01a0ae74-3fb3-70a6-be05-d231353eaa9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030635
StatusPUBLIC

Content hashes

Canonical text32d361949ead3aee4d1488d7ffde18dd65d7f41397ef20a2d909049704655e71
Markdownd48bede7c3ec720704d8a2f986e35d51c3cd2eb076241aa528c4d50beb9efb88
PDF
Publication page749f80127c08b43355e909c7f1b18cd50fee2999945f32ae158ac89a877756f2
Manifest3994535c3516c7b6229dc11797db0112aa9926049ce099ca82486ec9e5cd417f

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
SignatureT8v3cBP3u9QHBTxi8LKFe2KIN5FeyMLcLbpZoiwHSI/k9Pg38oACd8QolRnaspvQaanHl2s1P6Ao8a2eDl3jDg==
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

2026-09-17T11:36:29.732396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030635
observed 749f80127c08b43355e909c7f1b18cd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.716053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030635/manifest.json
observed 3994535c3516c7b6229dc11797db0112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.698170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030635/publication.md
observed d48bede7c3ec720704d8a2f986e35d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.648608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030635/publication.txt
observed 32d361949ead3aee4d1488d7ffde18dd...
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.