OpenTechnical

OT-2026-000081353

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000081353) never changes.

Identity and time

Publication numberOT-2026-000081353 · never reused
Internal UUID01a0ae96-f374-7241-b2cc-bfc29f6efac6 · 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-2026-000081353
StatusPUBLIC

Content hashes

Canonical textb6b1bae1c03a8c0d2ff17f93ccc6c5f8f5febce2e9036d6722bfc02d394faee4
Markdown9e5acbe962d4eee55a8db2cb97c501a88cfd519a59b4e51e78481a54007d80db
PDF
Publication page5ed2ec07aebccb31a9366c4fd3da8c7b3b0d32591e450f552e64401a493f31f9
Manifestd074f297b6d54575f505ccba85087da2baa34e565a374d8a7b613bedf2b0a119

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
SignatureHKn5JmyZsf7Fc6H/uJjmbdKS5+s2dR/5/IwD8mQwo/3sVCkfEbSNFVvVtfCBMzmC9kv5WdR4xFmE7sh7bHwYCg==
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

2026-09-17T10:01:28.920592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081353
observed 5ed2ec07aebccb31a9366c4fd3da8c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.903133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081353/manifest.json
observed d074f297b6d54575f505ccba85087da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.885436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081353/publication.md
observed 9e5acbe962d4eee55a8db2cb97c501a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.868124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081353/publication.txt
observed b6b1bae1c03a8c0d2ff17f93ccc6c5f8...
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.