OpenTechnical

OT-2026-000079337

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, 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-2026-000079337) never changes.

Identity and time

Publication numberOT-2026-000079337 · never reused
Internal UUID01a0ae96-0b90-7ffc-be34-ff6896d8a9a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079337
StatusPUBLIC

Content hashes

Canonical text36dd23f77719e72247cbaee9d90cdbb5cd417cb12cc9653d77233d9c019fdd17
Markdown104b6c02ad378ce374c69f1e856f5d9c00e1e7d35f30cf6bbccbadd01703a281
PDF
Publication page4b27ed75ee6f239e76b9dfd8890f9b2513be081b00e499e932592d2e7ae3c200
Manifest22db7c7375be221db6d3c938af0e36db1bc6c8f48b58a24d2df0b3e735b20917

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
SignaturerjSCVDBkCqpQnVHZ+U4zPvh6Jxd1Ff5qFjuqqdza4k/ZIGpl954SVdFyySn9kctyIxsjBO2zwNzw3h1K/YZyCA==
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

2026-09-17T10:04:57.111024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079337
observed 4b27ed75ee6f239e76b9dfd8890f9b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.093518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079337/manifest.json
observed 22db7c7375be221db6d3c938af0e36db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.074573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079337/publication.md
observed 104b6c02ad378ce374c69f1e856f5d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.056241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079337/publication.txt
observed 36dd23f77719e72247cbaee9d90cdbb5...
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.