OpenTechnical

OT-2026-000060462

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, vented after 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-2026-000060462) never changes.

Identity and time

Publication numberOT-2026-000060462 · never reused
Internal UUID01a0ae8a-b7cb-7b75-a330-eacf9ba2bba0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060462
StatusPUBLIC

Content hashes

Canonical textcfb734c323d9d5a16ab0032cfdde732e8d13cf90486780cfcf9f6aebda9992e5
Markdownb461e74e79298cdef54ea1d72e0208a60c302b1abb26a39083c31949269438a7
PDF
Publication page9ace95413497206f14b173494b1d824aaf0d42f9e4f81223350eb1563a7df4c0
Manifestb6800700cf661e9eeb28348cc86ba2b2f6aef5dc393b33e805f4a72acdb8ee36

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
SignatureocQ9AImpG/154Dpac/PaSsR0t5lZZ5HdKcVKPot6d7gMjYSu6SJBys1XSNzi6+lQbaxNr3YMkNJR4zwwBxklCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:56.894034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060462
observed 9ace95413497206f14b173494b1d824a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:56.874356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060462/manifest.json
observed b6800700cf661e9eeb28348cc86ba2b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:56.854271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060462/publication.md
observed b461e74e79298cdef54ea1d72e0208a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:56.834936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060462/publication.txt
observed cfb734c323d9d5a16ab0032cfdde732e...
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.