OpenTechnical

OT-2026-000021654

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, sustained 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-2026-000021654) never changes.

Identity and time

Publication numberOT-2026-000021654 · never reused
Internal UUID01a0ae6f-bb59-7c98-bf53-5c6d152b48ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021654
StatusPUBLIC

Content hashes

Canonical text46eceb37f2ad4fe7dc71c0404f4bcc38353c99ac5c55d48d355b7bf48c1f95ae
Markdown0fbb1e8d7007a97e0f2c47703e6cbb32df91235c17016b01377183c19b5a3434
PDF
Publication pagede270eee323237e7abd49c9c9aec5c638d12764bc17da4cad37ae68a629db09a
Manifestc4a043408433dc0bb28b8c38940601dd5856db52bf6a91f8301789d2b8161747

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
SignatureftqNAqiiLaMi4O2sf82IFNlqaLkgmshhGUWtP1PHnqF1IzixQVKnSG6pch3GFsx90SKaz/lNxyP7NB5MHSbsBA==
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

2026-09-17T11:54:11.466367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021654
observed de270eee323237e7abd49c9c9aec5c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:11.449310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021654/manifest.json
observed c4a043408433dc0bb28b8c38940601dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:11.431652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021654/publication.md
observed 0fbb1e8d7007a97e0f2c47703e6cbb32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:11.414865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021654/publication.txt
observed 46eceb37f2ad4fe7dc71c0404f4bcc38...
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.