OpenTechnical

OT-2026-000030131

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000030131) never changes.

Identity and time

Publication numberOT-2026-000030131 · never reused
Internal UUID01a0ae73-e4ff-7b1c-8e2b-5f5337bcb4fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030131
StatusPUBLIC

Content hashes

Canonical textf89f32974a9b29993d877110b5631482ae5f24d1e42a1b701a27631a3cb24d23
Markdown32f47200f2aa7f691c237e68f05850e282052d488ae65ae28ac659a306ca3646
PDF
Publication page8adb94e3453b5798eb24f9db2715361d8798cf7792595d42dab922cfe6f09c8a
Manifest5d7994abbfddb3a405b87e617ba456f978849baf312f058d9fa16219acfa0515

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
Signature1lY+ByBRM6lRXa2pNzkyhuswSkK14nzIoyZTDF4Al26/iJ6YO6ekhAre5w4PDqCjmFXDIr2VSRDQYpvHv/eIDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:40:22.262612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030131
observed 8adb94e3453b5798eb24f9db2715361d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.237905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030131/manifest.json
observed 5d7994abbfddb3a405b87e617ba456f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.217904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030131/publication.md
observed 32f47200f2aa7f691c237e68f05850e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.199245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030131/publication.txt
observed f89f32974a9b29993d877110b5631482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:44.173382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030131
observed 8adb94e3453b5798eb24f9db2715361d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:44.156718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030131/manifest.json
observed 5d7994abbfddb3a405b87e617ba456f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:44.138611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030131/publication.md
observed 32f47200f2aa7f691c237e68f05850e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:44.121009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030131/publication.txt
observed f89f32974a9b29993d877110b5631482...
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.