OpenTechnical

OT-2026-000086444

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000086444) never changes.

Identity and time

Publication numberOT-2026-000086444 · never reused
Internal UUID01a0ae9a-2c97-735d-a387-1a59841736ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086444
StatusPUBLIC

Content hashes

Canonical texta71f48a2145d49d27b01cdca18acccf778abb16bc9c644f6a95b51aded500723
Markdown01e228424b300ff6cd690b40d69149afb0f4cabecc3bb3eb7d796828c516b287
PDF
Publication page78f4a76fd08307708e4b522aac2fc3cb040ca7cd699bbc10d437091d2bd16072
Manifestd0fb2c5c3fcb13d002edb6e5e79e36982464a3783b55806b84064dfdc96305a3

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
SignatureGVPC2ibgRwwr/LQBeydfHJ6F6kXjhI9zqFTr7gdHGEoUmV75iQEggJB5xy8WKHuJBCDtx0LTpdTmJ0B9o88wBA==
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

2026-09-17T09:52:14.594849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086444
observed 78f4a76fd08307708e4b522aac2fc3cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.573885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086444/manifest.json
observed d0fb2c5c3fcb13d002edb6e5e79e3698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.555897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086444/publication.md
observed 01e228424b300ff6cd690b40d69149af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.539050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086444/publication.txt
observed a71f48a2145d49d27b01cdca18acccf7...
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.