OpenTechnical

OT-2026-000004625

Publication integrity record

Vacuum cup gripper, three stage ejector, pressure verified, contact triggered

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-2026-000004625) never changes.

Identity and time

Publication numberOT-2026-000004625 · never reused
Internal UUID01a0a91e-1768-7d8e-a1f6-becbb2907826 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:28:36.715373Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004625
StatusPUBLIC

Content hashes

Canonical textb069592a5d10abea721a00e3d2f5a9fd3a5fb9c005068f26001400e1697a53d2
Markdownf29576037fa2dc447d4d9e0701e7f0151a76b1d5402d1ff64461228c750caaaf
PDF
Publication page9a9bdf67eca20e90984fad211fa92e11f317d6eaf7a389915d0a8c79b559eb62
Manifest960ecf6765fe5fa51b1dc4027a3cf35f5a0ca2e875baa70fd809e73b13e76abe

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
SignaturepiL3/twaVnFPaEnyCoqjaHa+3upmq+t9HpfGVag0YCRGAOq19PXjSsiPxfdQQ3etDLVNDtZqcxBaiIxxjydfBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:30:07.723667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004625
observed 9a9bdf67eca20e90984fad211fa92e11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:07.708414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004625/manifest.json
observed 960ecf6765fe5fa51b1dc4027a3cf35f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:07.694690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004625/publication.md
observed f29576037fa2dc447d4d9e0701e7f015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:07.682428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004625/publication.txt
observed b069592a5d10abea721a00e3d2f5a9fd...
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.