OpenTechnical

OT-2026-000061174

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000061174) never changes.

Identity and time

Publication numberOT-2026-000061174 · never reused
Internal UUID01a0ae8b-1380-7072-9cdd-146b79cc9f47 · 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-2026-000061174
StatusPUBLIC

Content hashes

Canonical textd361a1bb97da23026a683cafff64e6a96efff449f7520fb01f64f36465433d81
Markdown9d9d5e5750ef7b9280e4bc655845233f91d506761fe490594351f6f609aa95fd
PDF
Publication pageb4dc86fbe1a384e7654df1bab67857b78b9ccc8fa74622e66623f3f87acd0a28
Manifest1a33c3d7cc3eb137a41d37a470d5722c996a5953631eaa038983c8e5e66a6d67

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
SignatureM9KCHakupX235xldexlC9Zvb2cnKe8dJ+CwlVTcNFMOWCb4riAAwE62rzlJ2oo4onCWzT070cnNXKCOiyZphAg==
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

2026-09-17T10:42:33.883698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061174
observed b4dc86fbe1a384e7654df1bab67857b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:33.863517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061174/manifest.json
observed 1a33c3d7cc3eb137a41d37a470d5722c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:33.842433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061174/publication.md
observed 9d9d5e5750ef7b9280e4bc655845233f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:33.823345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061174/publication.txt
observed d361a1bb97da23026a683cafff64e6a9...
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.