OpenTechnical

OT-2026-000099079

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000099079) never changes.

Identity and time

Publication numberOT-2026-000099079 · never reused
Internal UUID01a0aea2-8287-799f-8caf-943d15b22ada · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099079
StatusPUBLIC

Content hashes

Canonical texte7f88b08052954863a144c2bff0df17db5e219c1c0947dfcf78110c328c268ee
Markdowncf8dc5391232aa7c737cc15763f309a103c56e3f91fb2f19251fd222061d6b23
PDF
Publication page98a1a44df7600ef8fa5834cf6c67c7aeeec5aa9b30feb42a7826fcfa61209796
Manifeste9b52df4f8b78a0c2146a8569a6bb19b6b5f7e417488e292110f5cb408dc07a2

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
SignatureaRf0wFDd09k5jiLBNEKkU1HBh3g1b2jk9V/zejDXQjOIAtrF1NpvshajxkdzLPxCt+mKoo2+1Key7ohn/CMoAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:18.676135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099079
observed 98a1a44df7600ef8fa5834cf6c67c7ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.657486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099079/manifest.json
observed e9b52df4f8b78a0c2146a8569a6bb19b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.637513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099079/publication.md
observed cf8dc5391232aa7c737cc15763f309a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.618096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099079/publication.txt
observed e7f88b08052954863a144c2bff0df17d...
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.