OpenTechnical

OT-2026-000065162

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000065162) never changes.

Identity and time

Publication numberOT-2026-000065162 · never reused
Internal UUID01a0ae8e-1df9-75d6-9e79-a91d6c025001 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065162
StatusPUBLIC

Content hashes

Canonical textfad482c19bfe99030554e62312ca1b54f6534d967bfc24a35991ac286c167fce
Markdownccc10cd5ec358fa0cff7808849b97bc700c1ce764d6a319f2813c1c3c2c7f86c
PDF
Publication page240b7f802530e8afb903dfbbb7f63d439a20dc53826094737f23456281834166
Manifestf7d3124a85260aee803ed5cc0d910db2a56829ef2939e281baa130ef23b81bf4

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
SignatureMPOsAFrqmw9StaXp9CsGi3vEFwLz/leBpJr5hpbRP1XsT6IssRyz7TviryBYMYizmiu1rOvjVYSEp2+EMFHbAA==
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

2026-09-17T10:35:00.061376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065162
observed 240b7f802530e8afb903dfbbb7f63d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:00.043394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065162/manifest.json
observed f7d3124a85260aee803ed5cc0d910db2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:00.027070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065162/publication.md
observed ccc10cd5ec358fa0cff7808849b97bc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:00.010094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065162/publication.txt
observed fad482c19bfe99030554e62312ca1b54...
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.