OpenTechnical

OT-2026-000101786

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000101786) never changes.

Identity and time

Publication numberOT-2026-000101786 · never reused
Internal UUID01a0aea4-0e17-7291-a683-6558280c1ac4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101786
StatusPUBLIC

Content hashes

Canonical textbcb044d8fa30d185d724773c1aa2503b4c573f7f535d96b8f01afeb5eb0356d4
Markdown5f519585a4dcb876e5117c60be1676d89eb079938df19c46d2acfeb2c6d07d48
PDF
Publication page32797b5b4904edef8d4e3be6c5248e368d996d2d2dfd1bd4e25f660e9b7a27b7
Manifeste4c1a957a279bd1bd32e55357d3241829b9de82cd123fe7bb2f4319475a3fe9f

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
SignaturefoexeByHQK3oeQTGkvzqwokR15FHMe/ytzUkp0KtWsp8OLilT/4IKFmtsBwxPAz7ybV44updeYu+7QiyC2PiCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:16.982176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101786
observed 32797b5b4904edef8d4e3be6c5248e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.965350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101786/manifest.json
observed e4c1a957a279bd1bd32e55357d324182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.946574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101786/publication.md
observed 5f519585a4dcb876e5117c60be1676d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.927296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101786/publication.txt
observed bcb044d8fa30d185d724773c1aa2503b...
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.