OpenTechnical

OT-2026-000076027

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000076027) never changes.

Identity and time

Publication numberOT-2026-000076027 · never reused
Internal UUID01a0ae94-2a00-741b-bb36-1e13743ea480 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076027
StatusPUBLIC

Content hashes

Canonical textf6c513c4cc1bf67dfdf40ab8fee1ed772d2113e045458a5a599a8daee771d137
Markdown1f44f3ec9ed6979cf11f72fa31ce9707f06e9498b8af4e40028e950f2ccd56d9
PDF
Publication pagebde5ef307ac174d55de84b3c326f18a48380d3d5a4b3ff20cc64ba4b9663177c
Manifest02296daa8437e9ae06b3da76dbdb0af8922c2f8e5c0e94e71354e616293b8f6c

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
SignatureRu6Mld26+zC+FocCDueUW4cAYNzRe8stLdfWmBHy71U3h/5uDnJuT8GRIxqft5lrIA4AMi7EfPZOan+2gJ5qAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:17.022824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076027
observed bde5ef307ac174d55de84b3c326f18a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.997584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076027/manifest.json
observed 02296daa8437e9ae06b3da76dbdb0af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.979045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076027/publication.md
observed 1f44f3ec9ed6979cf11f72fa31ce9707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.960540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076027/publication.txt
observed f6c513c4cc1bf67dfdf40ab8fee1ed77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:13.722738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076027
observed bde5ef307ac174d55de84b3c326f18a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:13.051378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076027/manifest.json
observed 02296daa8437e9ae06b3da76dbdb0af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:13.030490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076027/publication.md
observed 1f44f3ec9ed6979cf11f72fa31ce9707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:13.010939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076027/publication.txt
observed f6c513c4cc1bf67dfdf40ab8fee1ed77...
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.