OpenTechnical

OT-2026-000101957

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed blow-off after 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-2026-000101957) never changes.

Identity and time

Publication numberOT-2026-000101957 · never reused
Internal UUID01a0aea4-50f1-778c-bf79-51ec0c331006 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101957
StatusPUBLIC

Content hashes

Canonical text5c35d512f5908a21fa4213b6e3fc53d59f88d5f3f8a0633677776922fc9f5db2
Markdown54cb5395caa03d475d67ae2898796f4a38a9b20191a7e4e3316f48d8e1a0bc61
PDF
Publication page9dbe61753844b90a76ba221dfeafe79a102ef05406ad76f930684b064d3b8edf
Manifest63c673ffb4ec6920ba1d647f44688dfec4f38e09c8a10b3bbd6fa9701ab847ab

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
SignaturegTmVjUf9usHv49m/jlMfREExYPNiG+9boDWkI5LMg2apOA8O7Kp4rTEQkAUEUCYhyYjdR4BunfKJkvVU0Zx7BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:04.575080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101957
observed 9dbe61753844b90a76ba221dfeafe79a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:04.558190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101957/manifest.json
observed 63c673ffb4ec6920ba1d647f44688dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:04.539064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101957/publication.md
observed 54cb5395caa03d475d67ae2898796f4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:04.522366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101957/publication.txt
observed 5c35d512f5908a21fa4213b6e3fc53d5...
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.