OpenTechnical

OT-2026-000091219

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000091219) never changes.

Identity and time

Publication numberOT-2026-000091219 · never reused
Internal UUID01a0ae9c-f16c-72bb-a21b-1320118fb683 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091219
StatusPUBLIC

Content hashes

Canonical text8e62aff4f844e957198694c3883e49ea81d4f94c113ea5d97ae9ecfb959ec02e
Markdown11af7dd1c88f330ba8ae0f54a2f6fb9ed7ed2ec9851dece42d4f1d859edb6429
PDF
Publication paged51eb2db0c2d6bccc6ef91a4733a5ea6da05f8fa2fd6d16155264778b9b4897e
Manifest15888b9128ab7863e15c9077157deafdd0d09d88ee4dbceb479d76e746d66b90

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
Signaturerdme44DF4kRpgwlmFeyGlzNiBGqkVe2wYaoJeoh6XEawHTrw8CBq9LKQ3Zk9uceH5XczRQ9+pnpBb/yHQh8LCw==
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

2026-09-17T09:43:23.379237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091219
observed d51eb2db0c2d6bccc6ef91a4733a5ea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.362389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091219/manifest.json
observed 15888b9128ab7863e15c9077157deafd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.345810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091219/publication.md
observed 11af7dd1c88f330ba8ae0f54a2f6fb9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.328816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091219/publication.txt
observed 8e62aff4f844e957198694c3883e49ea...
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.