OpenTechnical

OT-2026-000007073

Publication integrity record

Porous face vacuum gripper, plant vacuum fed, vented before set down, closed cell

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-2026-000007073) never changes.

Identity and time

Publication numberOT-2026-000007073 · never reused
Internal UUID01a0a971-a2eb-7832-a01d-5334c23970d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:59:51.919130Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007073
StatusPUBLIC

Content hashes

Canonical text0c3600f89b7aed083c97ef17d0f7bb02cba9be07cf8b66a15766ec6a5db9633b
Markdown4795546686726e8667d557f99d637d8576353251665e6a497bf11cdefef77fcd
PDF
Publication paged476b18bd28eaae0d15abe33907a42f4ca4da28803ca52353b49b5d65d0367d1
Manifest45e777e35fa758293f4f900d6cbefd0364798fa1ad858a9888759a93bcc56e82

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
SignatureIB3R5i+BcgSZMVOFJIT66j7kNoNkRyFc3bNTvo6dgCeTPU5ioP13QtqvLjIPDgU/mWih4HqU9uXIgtw2793HAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:04.627809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007073
observed d476b18bd28eaae0d15abe33907a42f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:04.484439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007073/manifest.json
observed 45e777e35fa758293f4f900d6cbefd03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:04.467117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007073/publication.md
observed 4795546686726e8667d557f99d637d85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:04.440409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007073/publication.txt
observed 0c3600f89b7aed083c97ef17d0f7bb02...
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.