OpenTechnical

OT-2026-000071796

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000071796) never changes.

Identity and time

Publication numberOT-2026-000071796 · never reused
Internal UUID01a0ae92-1e92-7ec0-b81c-84ed3c7df5db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071796
StatusPUBLIC

Content hashes

Canonical text002df55a109debf208aa2f90793515cea780900faf913e65ea7c6f9408f00fc0
Markdown57e5316c94cd7225f8738155d37a76968493393f69a290b3c5ebb63ead3f09b4
PDF
Publication page61abc7b91e7d3cc9ed8b6373471042b78345ea3b331adf75d017cfc61e94795c
Manifest46897426ec8e369605c0c87709e4d2b68fa205b1088db444466b5802357c2f37

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
SignatureGK8m0TAXsVhb/2L2+PZTXw+7wFAH09QTDXn5pEmGIVNUiNGn4Bzzs1+mIAdO4fPCYfkdjZF4LgUHcE2hO287Cg==
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

2026-09-17T10:23:57.833406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071796
observed 61abc7b91e7d3cc9ed8b6373471042b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.815378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071796/manifest.json
observed 46897426ec8e369605c0c87709e4d2b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.797938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071796/publication.md
observed 57e5316c94cd7225f8738155d37a7696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.780160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071796/publication.txt
observed 002df55a109debf208aa2f90793515ce...
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.