OpenTechnical

OT-2026-000057547

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000057547) never changes.

Identity and time

Publication numberOT-2026-000057547 · never reused
Internal UUID01a0ae88-2693-7f69-9156-464a14460602 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057547
StatusPUBLIC

Content hashes

Canonical text7e96872b56bd74c517b39876a2e5373acc64ba5e81f8b75a1ff854ee9c561c77
Markdownb515da9cf1816b9baa0ee4ae09d8c3d45773ca7d4bdc390f67f44bf7ab464c0c
PDF
Publication pagee42d004831a05fba5c7dc084947c570ad4d907e5e46b04a642060c4101f56bf3
Manifest1af275c6b31b0ae4cbd459fb129b857848e49be5b971c1caf375764811c6824e

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
SignatureCUuE7FyUpKH882y3VSLRbeu56BkceLM4HLYiUZ70q1HTUlhzwUnF6TxidotSv9Aj8X7oFFMvcy4CiRAayAD6Dw==
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

2026-09-17T10:48:05.217396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057547
observed e42d004831a05fba5c7dc084947c570a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.200823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057547/manifest.json
observed 1af275c6b31b0ae4cbd459fb129b8578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.180300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057547/publication.md
observed b515da9cf1816b9baa0ee4ae09d8c3d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.160392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057547/publication.txt
observed 7e96872b56bd74c517b39876a2e5373a...
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.