OpenTechnical

OT-2026-000087588

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000087588) never changes.

Identity and time

Publication numberOT-2026-000087588 · never reused
Internal UUID01a0ae9a-cd52-74c9-9e06-09825b15dffb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087588
StatusPUBLIC

Content hashes

Canonical text0e9a6f785e056d7c59dbcf87c68d290b46ec35a25d4dca6c37978938fcab7d16
Markdowne16ef12b25b7fd65666420b0159937905c1e85d47c600e0cf1081cdcabeb8dab
PDF
Publication page3e1f13142f9d4c84d8ce6ec535eb6d30ba3db7b6cd93cf7ef6cb433c7244c861
Manifestc14f360af545ff28297ec8e0544274040bd3c9dd876d6cb9cc1717b8fa128e66

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
Signature7d/mWZOLZ39zrcSLdo3BhzS519WiejnMRxHp6USJneUptiTrjL2LreVEYtm9TzsSCUwv28fRlXBfvveuMDQsAg==
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

2026-09-17T09:51:01.403037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087588
observed 3e1f13142f9d4c84d8ce6ec535eb6d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:01.386293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087588/manifest.json
observed c14f360af545ff28297ec8e054427404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:01.365011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087588/publication.md
observed e16ef12b25b7fd65666420b015993790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:01.268267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087588/publication.txt
observed 0e9a6f785e056d7c59dbcf87c68d290b...
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.