OpenTechnical

OT-2026-000060897

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000060897) never changes.

Identity and time

Publication numberOT-2026-000060897 · never reused
Internal UUID01a0ae8b-12f1-7edf-9654-cd71ad5bd703 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060897
StatusPUBLIC

Content hashes

Canonical text9e1924bd9caa8a70b9f233c8d175a127be037fecb96bab3df6d88ee3216f1537
Markdown17c1c43b25d65526b25a6cef14ddf99d64fafe9caa4261feacbcd7b9b139760c
PDF
Publication pagefdf9dc0d6b159c5d8798bc7bae269d6985f40e58cb92060ca87ab2212871dcbc
Manifest37eca16fb3749f1f57fab57e86bb105edfb340bf0643c7eaf28197132dbe3582

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
SignatureJIAfZphrUM7j4+eGPvHugfPx4ByoU5cvr81G/vQPESadZZRU0BuuU++hhPrSelqG87WYbIBk5CpoRlsGhF2hAg==
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

2026-09-17T10:41:38.238190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060897
observed fdf9dc0d6b159c5d8798bc7bae269d69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:38.218245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060897/manifest.json
observed 37eca16fb3749f1f57fab57e86bb105e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:38.198800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060897/publication.md
observed 17c1c43b25d65526b25a6cef14ddf99d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:38.177114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060897/publication.txt
observed 9e1924bd9caa8a70b9f233c8d175a127...
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.