OpenTechnical

OT-2026-000093250

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000093250) never changes.

Identity and time

Publication numberOT-2026-000093250 · never reused
Internal UUID01a0ae9e-0911-7383-8289-ee056b79e4cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093250
StatusPUBLIC

Content hashes

Canonical textb30abe24bcc9cf98f716a25f618117f8363bf4029632257231258e8fd1a728d8
Markdownecb3a8450cd169cdb4aa25678cc0d4a750d2e34159e69e3da0f5cd691e6cc519
PDF
Publication page61307ef6c670c2de26f5ebf9bac2cab45c05a81d84050b17a2665eb4d96ce7bb
Manifest3692212cbd0cd84bb509a46776f7be9a6f0816fb70999ef952e287df66a67ac6

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
Signature6KisvqeuqZwZaN1oILgme7lS0ymQbw+qGnG5YKzChqcdmnRYj3Y3CY8YM8PipQeMEsuQIn0z7CjmBxPy2b7QCw==
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

2026-09-17T09:40:36.448480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093250
observed 61307ef6c670c2de26f5ebf9bac2cab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:36.429043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093250/manifest.json
observed 3692212cbd0cd84bb509a46776f7be9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:36.410072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093250/publication.md
observed ecb3a8450cd169cdb4aa25678cc0d4a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:36.390806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093250/publication.txt
observed b30abe24bcc9cf98f716a25f618117f8...
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.