OpenTechnical

OT-2026-000061028

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000061028) never changes.

Identity and time

Publication numberOT-2026-000061028 · never reused
Internal UUID01a0ae8b-12f9-741d-939c-c45a4b46ab8f · 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-2026-000061028
StatusPUBLIC

Content hashes

Canonical textaef5191c28754b2c119e45ec4c54b939c65afcf49eafaf44747273e3aa8f579e
Markdown519a914e69bc06a25565e6ff5bc1e515efa5efe006a9075f3841be1a06d4e272
PDF
Publication page73696296ef5ca1277ccd6a7705a1a34546d0dd8e6c8c2b5f8d07489087ad2c34
Manifest9c461fcf3d3401b8e43454e645726f82c99e1f7a568db518ab51a8921830f6f5

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
Signature4RV1cs+Pu99SsIkBkXkQ6AGFHDgTdVvrlnSJ+xwTNRYi52/tkEMbq7IAL1l0PuCaFyqm4UNiwoVxU/+4t+kgDA==
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

2026-09-17T10:42:22.571021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061028
observed 73696296ef5ca1277ccd6a7705a1a345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.551881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061028/manifest.json
observed 9c461fcf3d3401b8e43454e645726f82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.534234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061028/publication.md
observed 519a914e69bc06a25565e6ff5bc1e515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.516455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061028/publication.txt
observed aef5191c28754b2c119e45ec4c54b939...
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.