OpenTechnical

OT-2026-000023753

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, sustained 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-2026-000023753) never changes.

Identity and time

Publication numberOT-2026-000023753 · never reused
Internal UUID01a0ae70-aed5-7f08-9c9f-7378e5f1de4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023753
StatusPUBLIC

Content hashes

Canonical texta744adc2a3570c634fed7497c2dd885ae2f3518cba8b7ba25c8c9fdaab07e376
Markdownbb91f5e61cec2c3bb698cc96499a618d4cbfbd11d402cf9b7a7a0657fe455710
PDF
Publication pagecb58b7f964a19f7c0ce3538c69f349f0c0e31403ce1e104771080c4cdffd6464
Manifest00988585f0806c626a3bdc6c714c5b2baab9f53c4e91f73d1b4a7ee564ac2ea1

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
SignaturegkAYDSChj9w+VIvGgLpqQn/YQ+3mLWVHdbytCD5rV6w3MN/74Yq1s+ru0L1tESihXhFCl2YfyqNGUsLPypBhBQ==
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

2026-09-17T11:50:06.336623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023753
observed cb58b7f964a19f7c0ce3538c69f349f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:06.318254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023753/manifest.json
observed 00988585f0806c626a3bdc6c714c5b2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:06.299201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023753/publication.md
observed bb91f5e61cec2c3bb698cc96499a618d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:06.275375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023753/publication.txt
observed a744adc2a3570c634fed7497c2dd885a...
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.