OpenTechnical

OT-2026-000081257

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000081257) never changes.

Identity and time

Publication numberOT-2026-000081257 · never reused
Internal UUID01a0ae96-f374-7fe0-8fdd-3ebabe02383e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081257
StatusPUBLIC

Content hashes

Canonical texta96d8070c2fe35b4ee53b0c5875d5c70819452d82f6a1a3af7e55a6c431ccbbd
Markdownf29b46503d54c022443a3ac5d988e52ff4c9af48df8cf0270a6afc7b860bdcad
PDF
Publication pagea716c88a979212301f2cec9dfb505512dccfc42b2b2b786fae315f37dc961388
Manifestbd0dc72c7d57bf2581e2c5fdf7440d7a6b98f9cd2ff83eb3b9369528ec674883

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
Signaturew+Gy/LRYwB35NmbBstBJrLAD8db37OPCL90YiCXlAfdAug7/iSb09d442hzYU391VHOJTFFzjmvFYL5ebPTJBw==
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

2026-09-17T10:01:21.134647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081257
observed a716c88a979212301f2cec9dfb505512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:21.111914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081257/manifest.json
observed bd0dc72c7d57bf2581e2c5fdf7440d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:21.091762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081257/publication.md
observed f29b46503d54c022443a3ac5d988e52f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:21.072350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081257/publication.txt
observed a96d8070c2fe35b4ee53b0c5875d5c70...
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.