OpenTechnical

OT-2026-000046504

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000046504) never changes.

Identity and time

Publication numberOT-2026-000046504 · never reused
Internal UUID01a0ae7e-57dd-790a-9b8e-30ca4f88fb28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046504
StatusPUBLIC

Content hashes

Canonical text643d6b3e98d8fe57c672ba3015a1a97cd28e14bc60aa0903060f3b90c5e0ab41
Markdownc91dd849326ee6800ba0d5c65f5e00085d318198791630706903aeea6dee4806
PDF
Publication page6601903b1626aed54ecaef15202b0ce6a047f9ffe51081e307010fc971f88d3c
Manifestb71f64d18b82448ca3b14ae0ca012832d3ecd9952d55bc125779bd66fd87713c

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
SignaturemTfU4wiLbZrgBdk3y6FTEz1kLPI3rptFmmPiKiiXz1Gn4pwqq9ujT3Hh55+YbckM1wZ5OSdLTzU1PSw6NtXpBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:08:32.762002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046504
observed 6601903b1626aed54ecaef15202b0ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:32.742203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046504/manifest.json
observed b71f64d18b82448ca3b14ae0ca012832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:32.722002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046504/publication.md
observed c91dd849326ee6800ba0d5c65f5e0008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:32.684575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046504/publication.txt
observed 643d6b3e98d8fe57c672ba3015a1a97c...
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.