OpenTechnical

OT-2026-000080853

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000080853) never changes.

Identity and time

Publication numberOT-2026-000080853 · never reused
Internal UUID01a0ae96-b974-7567-9bb6-9bbee7710f6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080853
StatusPUBLIC

Content hashes

Canonical text84584db5e73d3d2f783c7a30ccb70149e7636334da8dc280b6f3df8c3c2f0b14
Markdown49fa3a537f6d5110800a9382343965477ed88abb1cdbfca88cd71332ec46cdc4
PDF
Publication pagefc3a2100871e7ebca5fe317a831aa7cde39ae4ac070b6395d62005a40a3d7863
Manifest0c3bebd605e4ba3050e92e947851b258376bf27c8970b22bec624c21b05cc594

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
SignatureRaTqC8SkA/iMdIHHWr9Qn7PkldT7CeKxQpC6OherzNz/AI27rTNR4sevmLnxyt9K+hPqCZd2tfZ+3g/gqtrkDA==
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

2026-09-17T10:02:02.754154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080853
observed fc3a2100871e7ebca5fe317a831aa7cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:02.736188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080853/manifest.json
observed 0c3bebd605e4ba3050e92e947851b258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:02.718710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080853/publication.md
observed 49fa3a537f6d5110800a938234396547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:02.700837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080853/publication.txt
observed 84584db5e73d3d2f783c7a30ccb70149...
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.