OpenTechnical

OT-2026-000061970

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000061970) never changes.

Identity and time

Publication numberOT-2026-000061970 · never reused
Internal UUID01a0ae8b-b8ad-7b0a-9621-eea238ad0408 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061970
StatusPUBLIC

Content hashes

Canonical textb59f2f3da066442fda5b0c8d8c68c6dad28975f1e1b008eef080860a0d758c63
Markdowna2e97c73ac1d708a321570da8252ed8b53be7f0b2cce5902be145bf9fa0cf6ea
PDF
Publication page68c614b334a64846e95864bcf77c7027e3cad4cd67f3c70a30f4b98a836892b8
Manifestd655347f7941eea9e684d5091bb8db9dff2cf417cbd3b1ef3a0a2fe139c31258

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
SignatureYqB2F2kPDYwFQvmoF1KBcJ1CYv6ARPGEi6sDrTDr7jnHnlv8sK4GA+IaQi/OUzxHAm84vK8Ydf8M+95Eq+8uBw==
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

2026-09-17T10:40:53.227495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061970
observed 68c614b334a64846e95864bcf77c7027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:53.205027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061970/manifest.json
observed d655347f7941eea9e684d5091bb8db9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:53.182292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061970/publication.md
observed a2e97c73ac1d708a321570da8252ed8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:53.159339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061970/publication.txt
observed b59f2f3da066442fda5b0c8d8c68c6da...
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.