OpenTechnical

OT-2026-000088576

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000088576) never changes.

Identity and time

Publication numberOT-2026-000088576 · never reused
Internal UUID01a0ae9b-8f0f-78a9-a32e-f2e19c3f2e8c · 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-2026-000088576
StatusPUBLIC

Content hashes

Canonical textef34797df25ca95814198f24c1ea33c15248f9db775a8af55acebdb8fb3f7501
Markdown3f9287e957b8ccbc0c3568568f309ee9ea45be33f8b31a3cdfdbf0f859f40881
PDF
Publication pagea10828bd5638cb7dda8d9f0703770458e925088fde8342fc7662a97c4c1f1820
Manifestfef2f9e7ee2532332fccafbc533d924287e78118d466525436f3035a7c9421bf

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
SignatureLkAhy1sCM0N7b1QilKzLkBKDqw1+qb7Qjjjqpsf59HSkYBjOr/RfFBl1DJyUrDlbWa9sseRVK2Ty55LOHxpnDA==
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

2026-09-17T09:47:45.986872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088576
observed a10828bd5638cb7dda8d9f0703770458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.968193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088576/manifest.json
observed fef2f9e7ee2532332fccafbc533d9242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.948778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088576/publication.md
observed 3f9287e957b8ccbc0c3568568f309ee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.929375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088576/publication.txt
observed ef34797df25ca95814198f24c1ea33c1...
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.