OpenTechnical

OT-2026-000052458

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000052458) never changes.

Identity and time

Publication numberOT-2026-000052458 · never reused
Internal UUID01a0ae84-573a-7787-93d8-d2e5eed2eee0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052458
StatusPUBLIC

Content hashes

Canonical textc286948eb6c8e992e2c034d04a88c5ad57fe017af238b8b6992640523ee15b9e
Markdowne7cf608d75c3e16c0a6120579320ebedc4f58022e1df95f38b4067f7a25b6315
PDF
Publication pagedcd24208839e6bfd2b5a034fbe4337ef1bd6b1dd1377eb0b89ed5af760b2aeb0
Manifeste81d87d8e372d0607b7afcd054012c2b907e75a91c1d18ab57fe65e36e3e68b5

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
SignatureIs4UT91X0NZv1mczAnQ+X3XlFRAMn51XaEnZc5AuQjKpvU0xSCeVu8Sb5hsPdjRbN/TykxZs34YE0XX5TypoCQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:05.034222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052458
observed dcd24208839e6bfd2b5a034fbe4337ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:05.016435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052458/manifest.json
observed e81d87d8e372d0607b7afcd054012c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:04.998078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052458/publication.md
observed e7cf608d75c3e16c0a6120579320ebed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:04.978334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052458/publication.txt
observed c286948eb6c8e992e2c034d04a88c5ad...
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.