OpenTechnical

OT-2026-000052735

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, 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-2026-000052735) never changes.

Identity and time

Publication numberOT-2026-000052735 · never reused
Internal UUID01a0ae84-a42d-7fe8-93e5-b03550e51c6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052735
StatusPUBLIC

Content hashes

Canonical text76e8c81455161197cf8313e1dabded7c445ee5556ed305117d554d126c21c5f9
Markdownd7f5ae78c2ad5d85c5719dd11db11ae517e0ffe2cc2b3950bc95ce38aa323892
PDF
Publication page714792c6da1550906c7a0f78ed1275ad69f3711b0808941c67ee4c5be68e840e
Manifest1ce53cbe75550d842a00d008ec52524478c87b6888087bcb6c4dbaa50035656c

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
SignatureUJ11qNPv7Nc5Lu7lRhH0QaTJsBscqAvq2I/vmfdJw7M08440fjdgnrjU5p0wEN6oITmqA/4qYac2VFiBsQk5BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:43.862915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052735
observed 714792c6da1550906c7a0f78ed1275ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:43.844756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052735/manifest.json
observed 1ce53cbe75550d842a00d008ec525244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:43.825556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052735/publication.md
observed d7f5ae78c2ad5d85c5719dd11db11ae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:43.806728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052735/publication.txt
observed 76e8c81455161197cf8313e1dabded7c...
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.