OpenTechnical

OT-2026-000060948

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000060948) never changes.

Identity and time

Publication numberOT-2026-000060948 · never reused
Internal UUID01a0ae8b-12f3-731a-955b-387fdf020e19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060948
StatusPUBLIC

Content hashes

Canonical text5b68eeae266c2a79858cf8e0cea47af068e6bc67c45eab9b7db5208b25b76820
Markdownfe1d4f1072ad3309f3ff89c3ed2af011cdbfc408a64b649e5eae0417696f6e5c
PDF
Publication pageb0cd3bcccc31585ea9548e60b76d988d8abde1727379981cad6a7172bf20e231
Manifesta93267956a60bdf6ce9cc021a8ff50284a1c457e4684eb2d5161f967bc2a022d

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
Signature5lZDcVA3EO1YYYWw6TpRBMIN/aTkHk/LKrd0mbJ4SCtv2CuTDSfVzvi/q2ZFcbIJm9OCHH+3VO6aUSVwTUQVBw==
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

2026-09-17T10:42:13.387382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060948
observed b0cd3bcccc31585ea9548e60b76d988d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:13.369732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060948/manifest.json
observed a93267956a60bdf6ce9cc021a8ff5028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:13.352013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060948/publication.md
observed fe1d4f1072ad3309f3ff89c3ed2af011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:13.334493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060948/publication.txt
observed 5b68eeae266c2a79858cf8e0cea47af0...
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.