OpenTechnical

OT-2026-000089335

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089335) never changes.

Identity and time

Publication numberOT-2026-000089335 · never reused
Internal UUID01a0ae9b-db01-7c28-8466-39df41db5956 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089335
StatusPUBLIC

Content hashes

Canonical text91e3ab8eb5c7ac4766f9d1414f975e4b53d10f842617d04edf6ca2e78e3a45bb
Markdown12ccdad8a5088c3134e08f606035737f9e9a4fb447b99c0b21f9ac13c6e3a6d1
PDF
Publication pageef46db960fec8918960f3348411228678b4b01ade9ff0b6778e385ab2e1d682b
Manifest879e8fde60b31b1e2f81fced8ae73c0bf9c9cc39f30874bb003fee73d35de937

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
Signaturej5XWaTyEyHBF4fhILm/A107lYCCOjBEB1Rz950cUz5/+vLJrqJxzFg/ScKq/yGSrEuEn6A9uJD+Eo382+Ta5DA==
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

2026-09-17T09:47:23.313541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089335
observed ef46db960fec8918960f334841122867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.296364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089335/manifest.json
observed 879e8fde60b31b1e2f81fced8ae73c0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.277370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089335/publication.md
observed 12ccdad8a5088c3134e08f606035737f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.259322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089335/publication.txt
observed 91e3ab8eb5c7ac4766f9d1414f975e4b...
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.