OpenTechnical

OT-2026-000058301

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented before set-down

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-2026-000058301) never changes.

Identity and time

Publication numberOT-2026-000058301 · never reused
Internal UUID01a0ae88-f398-7345-a8eb-3b7340de6875 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058301
StatusPUBLIC

Content hashes

Canonical text4cc0d82858dadc34b693f91665792d34beb98be0a412de4f7410ac4c10ab8ee4
Markdownb716fcc27aed9e6ab101885c31f5fd53983fba6d9e49c8d54572288856549ba4
PDF
Publication page22fdeae42d6906fee734f033cf4e669990d514b1ce1c39e82bd48608caf79d7e
Manifest3b872e16874895443008f6cda99be0b6ef98d5888091a387064f54931b03a51d

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
SignatureDWzspfjLF1mAgZoPLLdKlKJlPukLjkJ7lpHYlwgMitZ43XCQTtKU2cYIVwInzryl21Bi4ul18bE+KdRuU4sRDA==
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

2026-09-17T10:46:41.981126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058301
observed 22fdeae42d6906fee734f033cf4e6699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:41.962709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058301/manifest.json
observed 3b872e16874895443008f6cda99be0b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:41.942524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058301/publication.md
observed b716fcc27aed9e6ab101885c31f5fd53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:41.925124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058301/publication.txt
observed 4cc0d82858dadc34b693f91665792d34...
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.