OpenTechnical

OT-2026-000061633

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, vented 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-2026-000061633) never changes.

Identity and time

Publication numberOT-2026-000061633 · never reused
Internal UUID01a0ae8b-7b45-7e63-9347-0db4e51ae448 · 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-2026-000061633
StatusPUBLIC

Content hashes

Canonical text325c9beca1fbf0de1af77fefdf7bd27237d01d4ac66378dd4061db4dc3bbe1f4
Markdownf5913eb051ae21da975438b76431f2599f4e62ae1d4c8b6fe1a8d0d88984a3dd
PDF
Publication page57de02277bcc76cfada422e8fc00736983814ca939717c32fed59c3edf89c11a
Manifest027868dd59635e8bf676a1751b2fc7a371f44631566351e8ce85561f436e0381

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
SignatureDTtBGjHMaCDKk5k1YCzT0fl732W8pcwh9UWbpGg/o+jBiaFrLHn2cAxL1zjuLwH/d+hDmgdN5uD6+oZkAunlBQ==
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

2026-09-17T10:41:34.280031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061633
observed 57de02277bcc76cfada422e8fc007369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:34.262725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061633/manifest.json
observed 027868dd59635e8bf676a1751b2fc7a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:34.243154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061633/publication.md
observed f5913eb051ae21da975438b76431f259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:34.223201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061633/publication.txt
observed 325c9beca1fbf0de1af77fefdf7bd272...
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.