OpenTechnical

OT-2026-000077525

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000077525) never changes.

Identity and time

Publication numberOT-2026-000077525 · never reused
Internal UUID01a0ae94-f50a-7a1f-9626-c0649038bd97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077525
StatusPUBLIC

Content hashes

Canonical text5080ef3ffec6a3b3c376411b50870269cb565cd57b1c4eda6723626f3d137b29
Markdowna1c036e8e9d7553ae32972183e885f02e165e171a35acabc241ba1203fb8b399
PDF
Publication page3a32db0bcb60124cfcfbce422e6d4ff363bfe728bf974ba34e0d5b23ec601e72
Manifest9484daaa3dba48e9ef6fb0f4c4a39cf147f96d26529a138b768d4991c71cfcc0

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
Signature0/ckX5PErfOtwlXtWOCg7uUOWOVdfLgD56LSChnNCv0b8IjOJBFAbJHyCT4JvlVi+zR72IIbEFWWJEV5yePTDw==
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

2026-09-17T10:09:13.169912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077525
observed 3a32db0bcb60124cfcfbce422e6d4ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.151032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077525/manifest.json
observed 9484daaa3dba48e9ef6fb0f4c4a39cf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.132638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077525/publication.md
observed a1c036e8e9d7553ae32972183e885f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.114061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077525/publication.txt
observed 5080ef3ffec6a3b3c376411b50870269...
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.