OpenTechnical

OT-2026-000079423

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000079423) never changes.

Identity and time

Publication numberOT-2026-000079423 · never reused
Internal UUID01a0ae96-0b91-7bf6-86f1-c7a5ea14bde3 · 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-2026-000079423
StatusPUBLIC

Content hashes

Canonical textb3f4dadf19b8972364b50dd8e0376be4bac0104ced07920ed6c51a79ace768ef
Markdowna36c06a57db505031a68438e957dab5a38bd4f54dcccbe54d25bda91fd4f9e3c
PDF
Publication pagee0e1205b5a8a7cbc4560eafbf997566ebc070e91ce0fc307465a972d67f2728a
Manifest7bcbb8c5bb4f0c466b97f11e631e1912337c9a8b6c6717b528278ea92bb9c78f

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
Signature+PUGMCW6wWdF89X1JMjqVO/br0osIR16Rw9TYAUEv25igI7Nsb3bg+IuTqfMI+Hx6PBhHaFFYV6yNkfNBeP7Bw==
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

2026-09-17T10:04:43.778580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079423
observed e0e1205b5a8a7cbc4560eafbf997566e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:43.759642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079423/manifest.json
observed 7bcbb8c5bb4f0c466b97f11e631e1912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:43.716953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079423/publication.md
observed a36c06a57db505031a68438e957dab5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:43.678357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079423/publication.txt
observed b3f4dadf19b8972364b50dd8e0376be4...
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.