OpenTechnical

OT-2026-000057535

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-2026-000057535) never changes.

Identity and time

Publication numberOT-2026-000057535 · never reused
Internal UUID01a0ae88-2693-7e25-bf75-94bdb9596fdb · 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-2026-000057535
StatusPUBLIC

Content hashes

Canonical text9d1a30b1d6343ed522f625204e59bf6f0648230c71570c8e2c205bb633bf6438
Markdown9848bbf2835e436243c871b34ae4b38fbd1f0c89b64bcc185a70e005b1938ee6
PDF
Publication pagecc7013e80b6b7f9d14b822bf1e3380ea1647cfa0a0aa9deef21b2e78d23d193b
Manifest5332ed5844848e6a1a501c72973f0164b50ec5da7f5d8488247ca9f8acd009b7

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
SignatureV387P4FjpIgp2ya59oTRYjd02Sqm6UUck0JnA2SthBMCXPLMktUNbVyTRRi5WaZCEzmCc0uNKjee7eBYLHmqDA==
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

2026-09-17T10:48:04.350042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057535
observed cc7013e80b6b7f9d14b822bf1e3380ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.332826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057535/manifest.json
observed 5332ed5844848e6a1a501c72973f0164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.315269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057535/publication.md
observed 9848bbf2835e436243c871b34ae4b38f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.297531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057535/publication.txt
observed 9d1a30b1d6343ed522f625204e59bf6f...
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.