OpenTechnical

OT-2026-000088174

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000088174) never changes.

Identity and time

Publication numberOT-2026-000088174 · never reused
Internal UUID01a0ae9b-1aa8-7d6e-be3d-d04f56df0ac7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088174
StatusPUBLIC

Content hashes

Canonical textf14c0eaed5b0c587a793b179e36fdab385b78f427bd2bb013eddf86f9e61b0bb
Markdowncfc232e439505fc4cc41134f249b7c9aa5b14ee1b175e6564cfa22a819d97eab
PDF
Publication page8b64599815c9223db22303084483060965ca8eb0d72a8cda051628ed54e847ec
Manifest938da25c4da13aabc8fe76f6be7d2ef09fffe287dd1ed83f0d71759eb40e2d59

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
SignaturePqkc5hewx2unJgKeIQxx+qtk9ufLphaU16YF133o4sffcK7/8XkoS5RcQrPofC31iB0jQcgpaFYmWQCIhWtoAA==
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

2026-09-17T09:50:14.164860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088174
observed 8b64599815c9223db223030844830609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.146409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088174/manifest.json
observed 938da25c4da13aabc8fe76f6be7d2ef0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.123977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088174/publication.md
observed cfc232e439505fc4cc41134f249b7c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.103266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088174/publication.txt
observed f14c0eaed5b0c587a793b179e36fdab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.502669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088174
observed 8b64599815c9223db223030844830609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.484326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088174/manifest.json
observed 938da25c4da13aabc8fe76f6be7d2ef0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.467811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088174/publication.md
observed cfc232e439505fc4cc41134f249b7c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.449136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088174/publication.txt
observed f14c0eaed5b0c587a793b179e36fdab3...
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.