OpenTechnical

OT-2026-000077816

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000077816) never changes.

Identity and time

Publication numberOT-2026-000077816 · never reused
Internal UUID01a0ae95-2ed0-7637-bff0-162f2cd71439 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077816
StatusPUBLIC

Content hashes

Canonical text03a96b7f875d66ca60fc7c68b9bd4eea8b948d8d06b363f885aa44ce64bad24d
Markdown753372881e4103af2166e5844a674cf3403d6f917a545996f27a72d77fe6d186
PDF
Publication pagee75097da4274f77c57f328b3308337eec412a34dc4ea9b37cbab0b38a804139c
Manifest1df1da7633c8c07692177bb5039a4368c0106a054a4c9da179e23793dd3116b5

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
Signature+1vz17iF0qngm6qg6xuyFbnxSqGO3VaEuHr5CpZNfN2C1WwDA/raBrOvqnkjFzXCRG8OMS1tVDvUYWSLKPpUCg==
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

2026-09-17T10:07:24.539632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077816
observed e75097da4274f77c57f328b3308337ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:24.520101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077816/manifest.json
observed 1df1da7633c8c07692177bb5039a4368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:24.500794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077816/publication.md
observed 753372881e4103af2166e5844a674cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:24.479292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077816/publication.txt
observed 03a96b7f875d66ca60fc7c68b9bd4eea...
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.