OpenTechnical

OT-2026-000052579

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000052579) never changes.

Identity and time

Publication numberOT-2026-000052579 · never reused
Internal UUID01a0ae84-573b-7b3b-92c4-cc8302978e33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052579
StatusPUBLIC

Content hashes

Canonical textbf9de5977fbac03fbd3f816d55e4199c0a43e9269ba696515cd9cc26dce7fe2d
Markdownd49b58af94e6b3bf1059e7143fe55dc4ec91c0495e2f23356ad07214b8e8cdf2
PDF
Publication page25a0a88d4cff0200d4ffe6ffe3ebd2e21afa1ae737cb309ae0cc188796ef785d
Manifest58e4f09ff748cc841c5da106599d94ef4649a85953278381984ef0f82fc589d8

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
Signaturei/a+stiuxznlCOKCgDj9PKboBySlVS7OHE1yje3U9yNiUWaLYyxFDeKJpuNkSI8d9RapGODaqEITPoJpFM85Dg==
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

2026-09-17T10:57:14.418102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052579
observed 25a0a88d4cff0200d4ffe6ffe3ebd2e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:14.399253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052579/manifest.json
observed 58e4f09ff748cc841c5da106599d94ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:14.382550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052579/publication.md
observed d49b58af94e6b3bf1059e7143fe55dc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:14.365756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052579/publication.txt
observed bf9de5977fbac03fbd3f816d55e4199c...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent