OpenTechnical

OT-2026-000075806

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000075806) never changes.

Identity and time

Publication numberOT-2026-000075806 · never reused
Internal UUID01a0ae94-29fe-7f35-9462-d0261b2a5192 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075806
StatusPUBLIC

Content hashes

Canonical text728076895ea99909ee99f996625600a6275a857046cdb1ecf07cceed77a71ad4
Markdownda485152f7d3ddeeed1c7447546b59e898ad8ae9a3b50f2dc10b31a67eb21803
PDF
Publication page8a1a250173d346cd6bf90185d0a73bad51bab7112d917cfa2c23c115fcfad6c3
Manifest12a1044fa6370b70ce87cae4ee2eb28abd48573670c9dabd40f82cb2f41fcdb1

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
Signature+Ea1LTwUPBq7+jFM3l+211UpzwxKRLUayQYCOtJAyYWzGblN5WrqNL54oAXs3F7X0oxNDVqoEDgUWU5sJPNuAA==
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

2026-09-17T10:14:18.503785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075806
observed 8a1a250173d346cd6bf90185d0a73bad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:18.486574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075806/manifest.json
observed 12a1044fa6370b70ce87cae4ee2eb28a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:18.468360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075806/publication.md
observed da485152f7d3ddeeed1c7447546b59e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:18.449729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075806/publication.txt
observed 728076895ea99909ee99f996625600a6...
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.