OpenTechnical

OT-2026-000053260

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000053260) never changes.

Identity and time

Publication numberOT-2026-000053260 · never reused
Internal UUID01a0ae85-0a14-719a-8969-d62a3c3f2123 · 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-2026-000053260
StatusPUBLIC

Content hashes

Canonical text90d87497ded5b7def6c216c1a32e9f54a02ec87caef999a4c02c33403c94ca25
Markdownfe853f8fc323d4bdd7f7116721700f63764b94162fb6625727745e1f01109758
PDF
Publication page2f030b92f1dfc63609d7b0160ee7a6f1a4af52d4438348d5fb4e477c86d39655
Manifest8a153cceccc4c0f5f3ae2be138ee85ab4319f45f3b88cfe77892477ad4d48616

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
Signatureg9ndkDigFb+oUC6kKl/gJVy3usQJY7H3C0PFR5Uw8RDRiSDzV2J2qHy/0IGIaVkomSQG3iT7QdXVfL9znK/JBg==
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

2026-09-17T08:40:58.970777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053260
observed 2f030b92f1dfc63609d7b0160ee7a6f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:58.826219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053260/manifest.json
observed 8a153cceccc4c0f5f3ae2be138ee85ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:58.806916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053260/publication.md
observed fe853f8fc323d4bdd7f7116721700f63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:58.787766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053260/publication.txt
observed 90d87497ded5b7def6c216c1a32e9f54...
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.