OpenTechnical

OT-2026-000057544

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000057544) never changes.

Identity and time

Publication numberOT-2026-000057544 · never reused
Internal UUID01a0ae88-2693-7f24-95e7-5489b0ddae06 · 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-2026-000057544
StatusPUBLIC

Content hashes

Canonical text8aeb29956b68c0db046d4b776967270563c459260e58ddff371fa7f7cb0e2ba7
Markdown4fa72528e2424b694bf5700caf284e7a63230a7245dd9af04bb04a4d48f54006
PDF
Publication pageab53e181f4cc2cb2a5fae6772a01d0d6b2e26264da59f44323767cbd0e77d65a
Manifest38a61608f113dcce3422ce96b847d5a34bf23094d233a650c7d8f6cc015b1d6c

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
SignatureXZpRGxsZE/YD/cZHdN6y3u7nQBWSRr8YCkCmy6Z3XZaWEjPJRtAVFr0RA9LsK4wlK50hjYZysUJwBHC0kAkFDg==
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

2026-09-17T10:48:05.002065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057544
observed ab53e181f4cc2cb2a5fae6772a01d0d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.983965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057544/manifest.json
observed 38a61608f113dcce3422ce96b847d5a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.967158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057544/publication.md
observed 4fa72528e2424b694bf5700caf284e7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.948927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057544/publication.txt
observed 8aeb29956b68c0db046d4b7769672705...
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.