OpenTechnical

OT-2026-000071014

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000071014) never changes.

Identity and time

Publication numberOT-2026-000071014 · never reused
Internal UUID01a0ae91-8c2e-7e3a-b8a8-bab1cc6f4075 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071014
StatusPUBLIC

Content hashes

Canonical text5591c7e6d9f8b4d43f793327432eede31c47d6f8de6cebb2112ee7a89d136fee
Markdown319f01891c817560349825591383f6775fe2bf618c66e1f6b90177ff05c689e8
PDF
Publication pagea4523552b4537bfcece109b89a1b42f5fe771a8941b2fbf1fb040d2e1b96e285
Manifestfd98477fbd36de4da1634567e77e3ab58a0b787ae1fb2dc776434c820777862c

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
SignatureFLWON3z3mkDf6naTAE9Bx0WFvI3D6MqNIlmMuX5UJ25+jYFgmq3CE4tOUmuFqh3PQpA7I/n7kHBN2H0TI52YDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:52.087765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071014
observed a4523552b4537bfcece109b89a1b42f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.069008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071014/manifest.json
observed fd98477fbd36de4da1634567e77e3ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.051713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071014/publication.md
observed 319f01891c817560349825591383f677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.033312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071014/publication.txt
observed 5591c7e6d9f8b4d43f793327432eede3...
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.