OpenTechnical

OT-2026-000085868

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000085868) never changes.

Identity and time

Publication numberOT-2026-000085868 · never reused
Internal UUID01a0ae99-e829-71e1-9b6c-b0bd67ef337d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085868
StatusPUBLIC

Content hashes

Canonical texteca5fec7b8c20415d93f28980cbbae9a0a1b037b7973944683f31c3d3a700ad6
Markdownd64e54f669d85871aaadd4334c267bb66819631623586fbc43dae72f9b2ec03e
PDF
Publication pageecf3e16a5e9c45985c9257e6a94d9facc2b877beddf816eccd7bd5ed6cdf99b1
Manifestf783a52ab9b5a6e1af24f0ab4102aedf628eac061e3911a6ba522ae70a1f1a99

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/OsXkCFjL7EyivBf8UoG2Ajc1s1pM0uvpI1K7iQZPEee/lYEAJEb2RjsKzW2cPP2JXcEsq+rbtlJYx2rCJKcBA==
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

2026-09-17T09:52:47.993939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085868
observed ecf3e16a5e9c45985c9257e6a94d9fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:47.976997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085868/manifest.json
observed f783a52ab9b5a6e1af24f0ab4102aedf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:47.959289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085868/publication.md
observed d64e54f669d85871aaadd4334c267bb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:47.941196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085868/publication.txt
observed eca5fec7b8c20415d93f28980cbbae9a...
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.