OpenTechnical

OT-2026-000016140

Publication integrity record

Six bellows cup vacuum gripper, 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-2026-000016140) never changes.

Identity and time

Publication numberOT-2026-000016140 · never reused
Internal UUID01a0ae6e-2d10-7cc2-af6b-f032cee0e715 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016140
StatusPUBLIC

Content hashes

Canonical text49a209501ecb162b901a285e8b6a6653e0060180b6660e7f19ca88040e656786
Markdown2ccf5342fd2ee7952c2a3070c3874d6827a6a79c1005ba0ac217e8d6d405b6aa
PDF
Publication page4e831d1f97bc885fd874144f5c0bb323d04680aecdd72dea49f4d3ff5566774a
Manifest4c72c96b636b7c2a773f4f13ab783aa23f569fd9d34951d11454f1375b67d6d7

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
SignatureWAtwf5Mqfl9uogmxD453ifUR11nQ+fvy3hznWqMT/EnpnkvKG+3A2NgB7bqU6yl/h+u3eTj1oG337HoKE6mTCA==
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

2026-09-17T12:03:34.664082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016140
observed 4e831d1f97bc885fd874144f5c0bb323...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:34.645296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016140/manifest.json
observed 4c72c96b636b7c2a773f4f13ab783aa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:34.627946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016140/publication.md
observed 2ccf5342fd2ee7952c2a3070c3874d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:34.609539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016140/publication.txt
observed 49a209501ecb162b901a285e8b6a6653...
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.