OpenTechnical

OT-2026-000053237

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000053237) never changes.

Identity and time

Publication numberOT-2026-000053237 · never reused
Internal UUID01a0ae85-0a14-7836-a165-ccad87a99354 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053237
StatusPUBLIC

Content hashes

Canonical textfeb7769117a0eba850729c7803824f75f180c3f1da9efe15597297cb0bde3660
Markdownbaa452b06bafa12aba2b9178afa593206c345a1a1bed37083264df73308f209f
PDF
Publication pagec8fc3ff987cfbeedc3c14a38e1a8aef998d41613f747d9587dfc2ffa4d52148c
Manifest12765ab9c868ffef5440adb43554d0c8b1978a130150fc1b794ab2d80083f480

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
SignatureoeHHQ0moj2gqJ3f+hksCICetVoi4nPpYqtNM+w2rxyZ1HQv+Q22v5q+KrtJtW4w3CoKcx2p6amP3bzDvlUwiDA==
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

2026-09-17T08:40:54.767780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053237
observed c8fc3ff987cfbeedc3c14a38e1a8aef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:54.748485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053237/manifest.json
observed 12765ab9c868ffef5440adb43554d0c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:54.728743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053237/publication.md
observed baa452b06bafa12aba2b9178afa59320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:54.585491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053237/publication.txt
observed feb7769117a0eba850729c7803824f75...
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.