OpenTechnical

OT-2026-000058178

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000058178) never changes.

Identity and time

Publication numberOT-2026-000058178 · never reused
Internal UUID01a0ae88-6edb-78a5-828e-dd20d6ce1cf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058178
StatusPUBLIC

Content hashes

Canonical text5bad8f1e1c209edac5fb8827901bc1c246cee660ad233cd7a0d05f6a5c8fa674
Markdown7a79208434081ec0b072b15679f8d5f34c05db4dc7723efb697504009e356f9d
PDF
Publication pagec58470ea3ef2c026d50334228727e564a86be153062a326a101c620f3e2c9e46
Manifestb9f47d108d881e0d06b2c1524551d36449ca8bcf71c8c312be3f12504d6bf6c3

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
SignatureTuDo/6EWkviZZB8frPVQjSP0G+c1GB3H1wsycEPLD8vCDeLPKkpElDdnKXpfg3/3EGcvhorCD7ajRhYLL7sbDw==
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

2026-09-17T10:47:53.054925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058178
observed c58470ea3ef2c026d50334228727e564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:53.038148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058178/manifest.json
observed b9f47d108d881e0d06b2c1524551d364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:53.018735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058178/publication.md
observed 7a79208434081ec0b072b15679f8d5f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.998490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058178/publication.txt
observed 5bad8f1e1c209edac5fb8827901bc1c2...
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.