OpenTechnical

OT-2026-000015751

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000015751) never changes.

Identity and time

Publication numberOT-2026-000015751 · never reused
Internal UUID01a0ae6e-0c4c-7ddf-9164-26c126f7c6d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015751
StatusPUBLIC

Content hashes

Canonical text3f67c0f1ed222b23912f40894d39aa3ae86b2b5445244ffa1cb8e3ad8238133a
Markdown1e31589be923431c1567cbacef9c36377d3ae6a9b2990de220b65e9dd0239aa1
PDF
Publication page4537db415a506bca03189cffe38b48debedd3e572591ace94bedb44f458c9f12
Manifest55e35447abf08876958c07c495bad620f3e482f1ea0c0882b4a7e96947c0a1e7

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
Signature9u2iQrkl74RyHvvw5cQjhem7zlezq4gsA4vfVtFglmkL1dXD/q7aFM5T3BnxDB5RXmjz3mYcB7P1adGRI2uuBg==
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

2026-09-17T12:05:02.701032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015751
observed 4537db415a506bca03189cffe38b48de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:02.683595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015751/manifest.json
observed 55e35447abf08876958c07c495bad620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:02.638804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015751/publication.md
observed 1e31589be923431c1567cbacef9c3637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:02.594722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015751/publication.txt
observed 3f67c0f1ed222b23912f40894d39aa3a...
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.