OpenTechnical

OT-2026-000049007

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000049007) never changes.

Identity and time

Publication numberOT-2026-000049007 · never reused
Internal UUID01a0ae81-134c-7e6d-830b-e7d979449c86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049007
StatusPUBLIC

Content hashes

Canonical text398212935afe8c0982466aa0906a25644295282460b30f57236c5f1952c77afd
Markdown58491b451739d2ebd99fe67252e8fcc72c66378fe18149f68b3cd9cba66bd5c2
PDF
Publication page50a5677979c4a407265dc8606d0bc580ca9a9bfd3510150b88f0027808fbf28e
Manifest2552468b9d3e4d1f52a580f43d5d5ae3a7b29d0edea7760c591d73d65af5c0d6

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
Signaturee+izen2bD/ean15UBlCG51/Dojulf97wOBo2PnPp1Nq5D4YlxqY0+tBN9SjI9Zc0Bxe3uyPeJxGiW2z/uBusCQ==
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

2026-09-17T11:03:13.193292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049007
observed 50a5677979c4a407265dc8606d0bc580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.174761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049007/manifest.json
observed 2552468b9d3e4d1f52a580f43d5d5ae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.158117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049007/publication.md
observed 58491b451739d2ebd99fe67252e8fcc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.140491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049007/publication.txt
observed 398212935afe8c0982466aa0906a2564...
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.