OpenTechnical

OT-2026-000053779

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000053779) never changes.

Identity and time

Publication numberOT-2026-000053779 · never reused
Internal UUID01a0ae85-735d-7ab9-af4d-7a30414457a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053779
StatusPUBLIC

Content hashes

Canonical textb2ac2a47d102033c9ea590d9deb26652389e8823e6f20f5f848d774268450446
Markdown2a10f6388ee352ecb023fd905cdac5c0453385b56f963985312c589d66551e0e
PDF
Publication page6070975c1c41c2af1fb9f25e0c0dea3125dc1c4435cf58fad1de322e745b20ab
Manifestf2bdde869d08ce6d848033166c9625baa9ac6af5ae960dedc592898a1799f3df

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
SignaturehTEJJRklp0nV94dHLR59Lj4V/9yhNczYzcsHnWzu1ZF5zen3LNmWbuNVkOXTyvinnfB9qsQeRI5yMdMlF20yAQ==
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

2026-09-17T08:40:26.995109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053779
observed 6070975c1c41c2af1fb9f25e0c0dea31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:26.975409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053779/manifest.json
observed f2bdde869d08ce6d848033166c9625ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:26.833722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053779/publication.md
observed 2a10f6388ee352ecb023fd905cdac5c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:26.811372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053779/publication.txt
observed b2ac2a47d102033c9ea590d9deb26652...
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.