OpenTechnical

OT-2026-000061599

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000061599) never changes.

Identity and time

Publication numberOT-2026-000061599 · never reused
Internal UUID01a0ae8b-7b45-7cfd-a6eb-94a4d8c3dc37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061599
StatusPUBLIC

Content hashes

Canonical textb8c928a776378f77a8670fa4416573492f6a94d67c006684aff8e9389da0404b
Markdowndca707833bdaf835740827615c3685d4677f90d882377a31a4714319f4aa1bf5
PDF
Publication page99c50f4cf6c7eecceda81cef59473cef4c6894719868cf8931d85edf9803d4a7
Manifest94efa06533949567c83b31f76eb2a12d2c6ad9b47340b7babe54f1ebb8649cb5

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
Signature10NhFiYnURvh5WYYPeWjEy1UoIaJKoHhcjK3yBtc04br4zukKPgnk90y0Vx66Z9kWZNJaOquQhb0kiXMuEB9DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:31.558651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061599
observed 99c50f4cf6c7eecceda81cef59473cef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.539763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061599/manifest.json
observed 94efa06533949567c83b31f76eb2a12d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.520951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061599/publication.md
observed dca707833bdaf835740827615c3685d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.502697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061599/publication.txt
observed b8c928a776378f77a8670fa441657349...
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.