OpenTechnical

OT-2026-000099784

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000099784) never changes.

Identity and time

Publication numberOT-2026-000099784 · never reused
Internal UUID01a0aea2-c978-75d4-9dfa-d51780185760 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099784
StatusPUBLIC

Content hashes

Canonical textfbe11243a571eaeb9c4a762040c8dd44c7cf80dfeceda206066e2a75ea19cc46
Markdownf5527bb8f3da4da7d159f3fe257ce187b948b6ae1e382d3813218044fcf0d764
PDF
Publication pageb5d16be145603455ce2ff86963e850bfa91bcfeaeb3e1df20034a9d8f523673c
Manifestc6c32b2ec000cd3b853b133430628b554f552d0bdb5c7e43d1001c0383af397c

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
Signature23XPLYhidQBECQE4m2NTqDpKg3pXxylWdUpblppYEFMdUHFYCT4E4+PKynkwRAxpOZPK7DYgn2aDVES85jDNAg==
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

2026-09-17T09:29:49.296013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099784
observed b5d16be145603455ce2ff86963e850bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.278199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099784/manifest.json
observed c6c32b2ec000cd3b853b133430628b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.260108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099784/publication.md
observed f5527bb8f3da4da7d159f3fe257ce187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.242188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099784/publication.txt
observed fbe11243a571eaeb9c4a762040c8dd44...
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.