OpenTechnical

OT-2026-000077850

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented after set-down

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-2026-000077850) never changes.

Identity and time

Publication numberOT-2026-000077850 · never reused
Internal UUID01a0ae95-2ed0-7b62-8877-d73060237f79 · 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-2026-000077850
StatusPUBLIC

Content hashes

Canonical textf2f83ab9660ca4e9ba6b353c88ba00b9de0384de32d7c587d203e9dec9bcbf8c
Markdown60b165a29e607f173f08d096bb790f3e7f22fd0c9b09bda659263f35f0048e91
PDF
Publication page680df98efd1dc2c5bc9589398f430e3b970164889cb2563d03ee6760145d54c3
Manifest6dd5eee4ca9d4fe03122ff3594018396aba10726899811b3adb84acebb8e57a6

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
Signature4CjFhMKHzH+TxJF1yxcSfRaWhjGLhDVmOLJuOk1kMKHJRrUogGlueZ4PVnuEWbZ+jTWwlm5P+MhYFwvWeH6GAQ==
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

2026-09-17T10:07:35.326807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077850
observed 680df98efd1dc2c5bc9589398f430e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:35.307858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077850/manifest.json
observed 6dd5eee4ca9d4fe03122ff3594018396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:35.286053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077850/publication.md
observed 60b165a29e607f173f08d096bb790f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:35.267799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077850/publication.txt
observed f2f83ab9660ca4e9ba6b353c88ba00b9...
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.