OpenTechnical

OT-2026-000075687

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000075687) never changes.

Identity and time

Publication numberOT-2026-000075687 · never reused
Internal UUID01a0ae94-29fd-7e23-aaff-da84cd9ebf0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075687
StatusPUBLIC

Content hashes

Canonical textd71c30ff950da71f39c8f76be04e6b805523ab09e63bad64f038827d7067f7a9
Markdown8998adcd54b6a22b094257206b146cfe6c8b9516f2f72c483ca6a2b3f11a7e1d
PDF
Publication page96a8df26dde3aee64239857324efbc1c42a6620ff9dc7738edb6baa7f1fd54a5
Manifesta72da3fcf5a64287f8014460c2dbc4415c70fdae9dade9c1960c576c2db3ba93

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
SignatureXONzDv3iAh6iUCtJexkNjZDiAggUAoRfHhAAn+rmkjtfTxNlCvIjTNYGh91YKCTRlM1Oaq9Ka0Ha9OUW/Au/BQ==
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

2026-09-17T10:13:52.985424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075687
observed 96a8df26dde3aee64239857324efbc1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:52.966959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075687/manifest.json
observed a72da3fcf5a64287f8014460c2dbc441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:52.947318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075687/publication.md
observed 8998adcd54b6a22b094257206b146cfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:52.811524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075687/publication.txt
observed d71c30ff950da71f39c8f76be04e6b80...
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.