OpenTechnical

OT-2026-000084716

Publication integrity record

Two 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-2026-000084716) never changes.

Identity and time

Publication numberOT-2026-000084716 · never reused
Internal UUID01a0ae98-e25d-78f8-847b-793238f005fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084716
StatusPUBLIC

Content hashes

Canonical textcd0f0f7e2b71746eb6d4e15e7e0f2310aa0c8a5a52b562f4876e178f5a8b8d2c
Markdownf26bd4ea3c4d4145e59871a0284b92ed730732f7667b77085d452df8f36ca1c4
PDF
Publication page5f75244aa6b14d2d2ad5edc241da902533033c5542d016a6156cc29cb82c3e5a
Manifest16634c853d53ae91a81719d6cfbec4762b8591ab2d1b3405a326f651338d0728

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
SignaturewlpJliYDY7xajK74Xe77FdqRaCqeHWZZfcDACdaZVhoVQkQ3lgMHXL8r+PJ5VYVZXYca27/N9LACt/tGOy7HCA==
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

2026-09-17T09:55:39.248272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084716
observed 5f75244aa6b14d2d2ad5edc241da9025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:39.231214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084716/manifest.json
observed 16634c853d53ae91a81719d6cfbec476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:39.213296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084716/publication.md
observed f26bd4ea3c4d4145e59871a0284b92ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:39.196518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084716/publication.txt
observed cd0f0f7e2b71746eb6d4e15e7e0f2310...
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.