OpenTechnical

OT-2026-000027427

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000027427) never changes.

Identity and time

Publication numberOT-2026-000027427 · never reused
Internal UUID01a0ae72-6998-78df-8643-35f5f390a03d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027427
StatusPUBLIC

Content hashes

Canonical textb799686873c29d5bb4d8744ee72501b486953462cc7fd02d38a10fd43f79589e
Markdown6a1f92b34983e0851920790842cb5b04bdbb7764000ff0897c0a70a2893e72ad
PDF
Publication page827ce2678160678064216365bbd275cb0099fc5b3f3e1cfafdd9f7d108e24e88
Manifest9c242bb73db133d33b262aff4ad5442d711a210a07a0e5039ff0a56c92263b46

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
Signaturei50gdBXqrQIqF8dk+Yu+fbHjHQliZ+dcjxjtiGS1srUvHcoTONeXVoc+KP0VNPXsB8qRdzdIYAr+vwyRpinfDw==
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

2026-09-17T11:42:51.469417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027427
observed 827ce2678160678064216365bbd275cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:51.453909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027427/manifest.json
observed 9c242bb73db133d33b262aff4ad5442d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:51.438749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027427/publication.md
observed 6a1f92b34983e0851920790842cb5b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:51.420748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027427/publication.txt
observed b799686873c29d5bb4d8744ee72501b4...
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.