OpenTechnical

OT-2026-000053658

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000053658) never changes.

Identity and time

Publication numberOT-2026-000053658 · never reused
Internal UUID01a0ae85-0a95-7f94-a1f2-b305db40e7da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053658
StatusPUBLIC

Content hashes

Canonical textbe976ea779121f1ed16c8ce46911fcb0ea127347ad94a52b4c28bffb3961e68f
Markdownfbb2e482c318de41ae909b3f03da654377b114509bf9193848dc9f5662d538a8
PDF
Publication pagea65d088f291f140bf6655ef842e063e2258f594447374f16c74e87cc6727fa77
Manifest37e494ef60dd72d0c355d13670e61f67f74ec8f8a30223a0c77a7697b1d8e932

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
SignaturePwnCZGMZIrlCW2N0Di+BXZSFaLR/yTlgwc1UtDseB4v1AHmDxL9DkNOlx3h+3y00ZuIJumJAaGsrluVfysRaCA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:32.855545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053658
observed a65d088f291f140bf6655ef842e063e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:32.835245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053658/manifest.json
observed 37e494ef60dd72d0c355d13670e61f67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:32.816351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053658/publication.md
observed fbb2e482c318de41ae909b3f03da6543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:32.790938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053658/publication.txt
observed be976ea779121f1ed16c8ce46911fcb0...
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.