OpenTechnical

OT-2026-000049799

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000049799) never changes.

Identity and time

Publication numberOT-2026-000049799 · never reused
Internal UUID01a0ae81-8ff0-7315-a233-bb59de0c1234 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049799
StatusPUBLIC

Content hashes

Canonical text9451ff154694b0e3dab66a2baca5d41bdb9ad969face6f1851ee0cd061c21f4e
Markdownee5fefd2f4692f50be66fe68f4739c1cf812d7d8b79c1763d971cdeda9eaba96
PDF
Publication page9f0a541f56f60ca61291656d8e4398857bcd8807a2bd05ada1e2e3dc876fd770
Manifest073e759edf2e1c36a12f3ac86ed7ebad33482a55054c2c91031207a0595af367

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
SignatureCKHUrqP4NPA9QTlhZSpO6CD9rzn68KUQNWliKIvEKMi7DyyN/FV753rl/G1G2KASNw93HHnx+ttdFXpItKrFCQ==
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

2026-09-17T11:02:55.386216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049799
observed 9f0a541f56f60ca61291656d8e439885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.367451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049799/manifest.json
observed 073e759edf2e1c36a12f3ac86ed7ebad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.349030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049799/publication.md
observed ee5fefd2f4692f50be66fe68f4739c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.327914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049799/publication.txt
observed 9451ff154694b0e3dab66a2baca5d41b...
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.