OpenTechnical

OT-2026-000088791

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000088791) never changes.

Identity and time

Publication numberOT-2026-000088791 · never reused
Internal UUID01a0ae9b-8f10-7a77-a244-7ef943615ae9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088791
StatusPUBLIC

Content hashes

Canonical textaab0cb1b656c645a5aa933756d8650946ac13ed10ccc075259d7ff4a3638cb57
Markdown1519a2c46d9f7eb229b7fdfee3e07e853915ba62a0cd8714ac50af32b4aaa311
PDF
Publication pageb4f20c4ce5f7a2d7a68ecb1724fd8a47831e43d651ce47fada5957a9cee29a21
Manifest2548da96a7461e6b4d45736bf3ad1f46da4a20d516ba391b11f508fdcb32d8f9

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
SignatureaSjtihVqsH9kvsKK1xnanKq6ceSzGkzYk1whPgLhjFBHs5/m6GrA7pLDIdVoT5dpA5A3MzweWAKGsnEeeqCCAg==
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

2026-09-17T09:48:10.228854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088791
observed b4f20c4ce5f7a2d7a68ecb1724fd8a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:10.210896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088791/manifest.json
observed 2548da96a7461e6b4d45736bf3ad1f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:10.193406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088791/publication.md
observed 1519a2c46d9f7eb229b7fdfee3e07e85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:10.174349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088791/publication.txt
observed aab0cb1b656c645a5aa933756d865094...
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.