OpenTechnical

OT-2026-000030280

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000030280) never changes.

Identity and time

Publication numberOT-2026-000030280 · never reused
Internal UUID01a0ae73-e500-7c8b-b9ef-892e6ba90200 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030280
StatusPUBLIC

Content hashes

Canonical text9ca908566a0b0e2bcb122448f224dcb0a2ae3e151b0f93f2724e8638e6b5f576
Markdown438c56cf3f9d81d969f60f40f03cd55f40a6f5c7dbeae3942696bf2023d72e88
PDF
Publication page40fe45fe83f4ed5e82e658c2ea8ff8d7f26d8eb560d4e665ac47f50efdc677c5
Manifest9941f2651b6cd94b8d814ffae7111ecf5a55addff238e5bed52853e10662e2d9

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
SignatureAiIxCDCSYVH1ZLnKR0nt5j2B6sOi6nXUDVobb9Kqjz5FbheHcOyAr3HfrrVSmsyfDmW95WHd+Fa8LrswD9s4AQ==
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

2026-09-17T11:40:46.946909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030280
observed 40fe45fe83f4ed5e82e658c2ea8ff8d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.924551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030280/manifest.json
observed 9941f2651b6cd94b8d814ffae7111ecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.906230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030280/publication.md
observed 438c56cf3f9d81d969f60f40f03cd55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.889866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030280/publication.txt
observed 9ca908566a0b0e2bcb122448f224dcb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.842390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030280
observed 40fe45fe83f4ed5e82e658c2ea8ff8d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.824195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030280/manifest.json
observed 9941f2651b6cd94b8d814ffae7111ecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.808063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030280/publication.md
observed 438c56cf3f9d81d969f60f40f03cd55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.790379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030280/publication.txt
observed 9ca908566a0b0e2bcb122448f224dcb0...
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.