OpenTechnical

OT-2026-000087085

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000087085) never changes.

Identity and time

Publication numberOT-2026-000087085 · never reused
Internal UUID01a0ae9a-9f2d-7028-b7a2-0e4aee76c15b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087085
StatusPUBLIC

Content hashes

Canonical text601fbea40405d6dbc0f707a1d9ae8acb42ce6eb916c831b695d765218a740b75
Markdown09038ef3b292ce3ed968347900a1b601a6843683d8fce5849877ee8fc2a345d5
PDF
Publication page8acb85d6bbfa2bfb8f16dd025275fa4739b1077dc4e7049733bb6b16ce9a33cd
Manifest4f1ae3e79dd1f6ed7f24d14e0becfcc35523a3c8c433aad149612ecbd1ae9e2c

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
SignatureJ2fiY6WHIniR/o8mHs3ZK5F8Nlp9Tq0CKLdcd+BwklBd1g+ZDc4CrlwWLs2qPuxsw5H/+tLx6qfg/rsTv+ovCA==
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

2026-09-17T09:51:20.574975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087085
observed 8acb85d6bbfa2bfb8f16dd025275fa47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:20.558839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087085/manifest.json
observed 4f1ae3e79dd1f6ed7f24d14e0becfcc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:20.540640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087085/publication.md
observed 09038ef3b292ce3ed968347900a1b601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:20.523322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087085/publication.txt
observed 601fbea40405d6dbc0f707a1d9ae8acb...
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.