OpenTechnical

OT-2026-000081286

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000081286) never changes.

Identity and time

Publication numberOT-2026-000081286 · never reused
Internal UUID01a0ae96-f374-7768-9260-b78b297762e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081286
StatusPUBLIC

Content hashes

Canonical text97b2709f545fe00dcde13c2be355e0a40205ad8e2185ffd95d5f136ac83ba6ad
Markdown3ba7c26d481c89960ee381e935d305b53a566a815e4f616d55ad5a3c96662b26
PDF
Publication page5f40b30d5b7f97c2bacc0067f5be9648a1860eb9c1834167f789625032bf5600
Manifest5b93ecde956bf1c1c9b76cd1bd6efcb0755647527cecd22b959d99e0ca795ae2

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
Signature2FMZ4jHDJc8Sp9IhS+JwMeAPGACcfjRhcsa4teransksiFRfwj75cjgFP0iXZcEu66pziuCssdT8fGC0pkd5Cw==
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

2026-11-03T04:23:12.216412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081286
observed 5f40b30d5b7f97c2bacc0067f5be9648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-11-03T04:23:12.199325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081286/manifest.json
observed 5b93ecde956bf1c1c9b76cd1bd6efcb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-11-03T04:23:12.176788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081286/publication.md
observed 3ba7c26d481c89960ee381e935d305b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-11-03T04:23:12.128578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081286/publication.txt
observed 97b2709f545fe00dcde13c2be355e0a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-12T04:23:22.934660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081286
observed 5f40b30d5b7f97c2bacc0067f5be9648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-12T04:23:22.920395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081286/manifest.json
observed 5b93ecde956bf1c1c9b76cd1bd6efcb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-12T04:23:22.905704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081286/publication.md
observed 3ba7c26d481c89960ee381e935d305b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-12T04:23:22.860698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081286/publication.txt
observed 97b2709f545fe00dcde13c2be355e0a4...
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