OpenTechnical

OT-2026-000100154

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000100154) never changes.

Identity and time

Publication numberOT-2026-000100154 · never reused
Internal UUID01a0aea3-3052-7cc2-8967-5cf3cc6b19bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100154
StatusPUBLIC

Content hashes

Canonical textabee6db0ec8a0c08587a1d6d076834d49f7fb5574a88a153dd27347fbaceb230
Markdowna8021fbee92de2a97f212a6e6ad385e511497f20e088205b7e8f1557ac1ff713
PDF
Publication page27dff6aa2cf4f3f1a4a8cf0081948b4473742c6eb0f8fa50ba5e758346d79f4e
Manifest666f76e36b8d1206d140c7e51f314ba67a7dbf11d2a1abb7495c073dc8f4fb45

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
Signaturek0EpoiJYLOEJgw1ID8SrldDS9Q9wYhH8HBJFGXBfUZnIII5sHCRnwri0RWJTydyJcXo7F2MxLS7QDoE58bJLCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:51.624213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100154
observed 27dff6aa2cf4f3f1a4a8cf0081948b44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.605807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100154/manifest.json
observed 666f76e36b8d1206d140c7e51f314ba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.587277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100154/publication.md
observed a8021fbee92de2a97f212a6e6ad385e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.569557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100154/publication.txt
observed abee6db0ec8a0c08587a1d6d076834d4...
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.