OpenTechnical

OT-2026-000007076

Publication integrity record

Bellows cup vacuum gripper, three zone face, pump fed, sustained 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-2026-000007076) never changes.

Identity and time

Publication numberOT-2026-000007076 · never reused
Internal UUID01a0a971-bd5a-79d8-9b66-f62a989e6896 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:59:58.684752Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007076
StatusPUBLIC

Content hashes

Canonical text25ae3f35af3fd4492491d7d234d25c8cb738243584c19538e4f238971d4eeec2
Markdown8ca85843f23f002d90f20d6a6b9af7e30a4156f19c81ab890d571c85868fe90a
PDF
Publication page2fa3504e8e9128dddc873e89efda0a5be388ba93021e08158cba17616595984d
Manifesta839bae3ed4c215ea382665c6e7e80c8a516e007e76c614fd278e51f08f1e96d

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
Signaturex/Rcu3URGsASNT6MMTFc/m7nyGujSeBcjaF0JY1J13R4YKhAXiu6BTXul8QSlztJVhn2TVK83pSVMayV2YHmDA==
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

2026-09-16T09:00:04.180493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007076
observed 2fa3504e8e9128dddc873e89efda0a5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:04.167522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007076/manifest.json
observed a839bae3ed4c215ea382665c6e7e80c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:04.154325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007076/publication.md
observed 8ca85843f23f002d90f20d6a6b9af7e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:04.141362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007076/publication.txt
observed 25ae3f35af3fd4492491d7d234d25c8c...
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.