OpenTechnical

OT-2026-000053815

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000053815) never changes.

Identity and time

Publication numberOT-2026-000053815 · never reused
Internal UUID01a0ae85-735d-7cc1-9a85-04b42d6ac7fb · 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-2026-000053815
StatusPUBLIC

Content hashes

Canonical text3f376967ffbd4c2558353fab9e4133fa183ee0283457f1c2b453071382f300c5
Markdown811a308546fa5a523e9cbfc7385b64e84689e1e99222a9067d1c11e70cdea02c
PDF
Publication pagefa59b34c1d091d9413a5866d389378535bfa4a366f671ec172d9c785f68c9ce7
Manifestf3c9e7093581cbd19b3487dc2f9eea4f6def6d90a2e329ddc008cbe49c64c465

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
Signature9TvSOxMlPnB2Cax4LFMtZav5i128UBoYcV0Zz8n37bLIpss0ukjsqMyYVy+NA3Pqiuacce39BdzSg1OOPLZzBQ==
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

2026-09-17T08:40:32.983484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053815
observed fa59b34c1d091d9413a5866d38937853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:32.964468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053815/manifest.json
observed f3c9e7093581cbd19b3487dc2f9eea4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:32.874018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053815/publication.md
observed 811a308546fa5a523e9cbfc7385b64e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:32.856513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053815/publication.txt
observed 3f376967ffbd4c2558353fab9e4133fa...
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.