OpenTechnical

OT-2026-000027275

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000027275) never changes.

Identity and time

Publication numberOT-2026-000027275 · never reused
Internal UUID01a0ae72-6996-7214-8124-90e371be3487 · 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-2026-000027275
StatusPUBLIC

Content hashes

Canonical text39ea60b7e547380adb0047fb29359bac0eb36d3ad3bccba4c8a4432dd5c9ae21
Markdownb14204969edee71a78cb5997eaa6bf513e5edfd7f9e550f46cac96c28e0f43d2
PDF
Publication page9553906324318ea276e02d05e285a1e669fd4f8e42cffab241b5f9b31c359c28
Manifest0f177753dc73bf85a46971a2f0c7f732c81912c13ee3cae70d7e02cd33db738e

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
SignatureH2fYFsSQdmRD9Th6GB7LY5DLna8S4OQLsFsDAtlqv9TcwzZ7+YhKWuZsiMgCd0ECw57nf0aRPGWrebUXkwE3Dg==
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

2026-09-17T11:42:39.606715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027275
observed 9553906324318ea276e02d05e285a1e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.590948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027275/manifest.json
observed 0f177753dc73bf85a46971a2f0c7f732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.572789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027275/publication.md
observed b14204969edee71a78cb5997eaa6bf51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.553885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027275/publication.txt
observed 39ea60b7e547380adb0047fb29359bac...
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.