OpenTechnical

OT-2026-000060269

Publication integrity record

Four cup vacuum gripper, four 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-2026-000060269) never changes.

Identity and time

Publication numberOT-2026-000060269 · never reused
Internal UUID01a0ae8a-5a74-76ed-875f-d0773f86c0eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060269
StatusPUBLIC

Content hashes

Canonical text6c42fc780a47476b8150a24b27332b04a3a2d697f607cae2cd99b68f6e72494a
Markdown9625a7d4a70e5d876c9126866a16ac030be7322b8d4815989c9f69e220334572
PDF
Publication page510474ad1b186d6799eb9dc98b5a695d590cfd24c08f0f432dc3154f1b5b3442
Manifest4034852e92a3a105b9991d096aafc71c53d2a7dab4e3fee9a87afee6a93e22e9

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
SignatureJFNs2zKlmicHyww6Z08MT/1SELafQywoIPaGhWRwFiEeCR3R5lQJzZ32yJQFPOPfY31iMwLeyJC7fOnEPVs5AA==
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

2026-09-17T10:43:58.069534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060269
observed 510474ad1b186d6799eb9dc98b5a695d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:58.048045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060269/manifest.json
observed 4034852e92a3a105b9991d096aafc71c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:58.022466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060269/publication.md
observed 9625a7d4a70e5d876c9126866a16ac03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:58.002963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060269/publication.txt
observed 6c42fc780a47476b8150a24b27332b04...
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.