OpenTechnical

OT-2026-000027468

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, sustained 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-2026-000027468) never changes.

Identity and time

Publication numberOT-2026-000027468 · never reused
Internal UUID01a0ae72-6998-7b85-834e-eec3d3ac5c3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027468
StatusPUBLIC

Content hashes

Canonical textb47677e0e5ab6153fdc7643961f6eb073ba00a26fceb3e24fdd176327fa121d0
Markdown46071d17519e9a879ebc0b9a48e439ec553fdb5eb812134daa399ce916d265c6
PDF
Publication pagea62fdc43724da90e58d531434b3bfe67c5909f33a9b5abdca4ecdff497b781a7
Manifestc3e38710e43d4cef51606df4b7e00055cf80c1d5630abd3efed29c737633b5da

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
SignaturevUn9wkCIAoF3twPWcs+la22c2b7LIlFJJemohI27WWspYPD9I3j8qm7ajOgXoeWoyXZ8ACnj35HnjmRkxVOcAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:55.721557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027468
observed a62fdc43724da90e58d531434b3bfe67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.702880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027468/manifest.json
observed c3e38710e43d4cef51606df4b7e00055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.684372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027468/publication.md
observed 46071d17519e9a879ebc0b9a48e439ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.666227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027468/publication.txt
observed b47677e0e5ab6153fdc7643961f6eb07...
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.