OpenTechnical

OT-2026-000053771

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-2026-000053771) never changes.

Identity and time

Publication numberOT-2026-000053771 · never reused
Internal UUID01a0ae85-735d-731d-b2c9-00842d1ec533 · 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-2026-000053771
StatusPUBLIC

Content hashes

Canonical text6db0ab1384cbae72b165210dc2da6a8077fb6ad3cb08fa2ba849bd5ac363de66
Markdown3b0b6a5447d9a0736a80a2bbb701dd4bebcc464205764bcdbbc2072b70dd59cb
PDF
Publication page676d2ffd775779eee491910f3895edc4724b757f4435c7cacd009230241ab94b
Manifestdd9666e0e8e00690e5726a222204e9063f888fe8eba05a0db421878fbe64a73c

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
Signatureoffi5rEUsImo24TcKaKe6OeahaQVsPMVD9fxG3hBv/n443TEWNsqrF0CzI1bahjiVmoSNXbAuyk4AKRw5gM1DQ==
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

2026-09-17T08:40:25.574404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053771
observed 676d2ffd775779eee491910f3895edc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:25.556572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053771/manifest.json
observed dd9666e0e8e00690e5726a222204e906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:25.537792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053771/publication.md
observed 3b0b6a5447d9a0736a80a2bbb701dd4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:25.517864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053771/publication.txt
observed 6db0ab1384cbae72b165210dc2da6a80...
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.