OpenTechnical

OT-2026-000079187

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000079187) never changes.

Identity and time

Publication numberOT-2026-000079187 · never reused
Internal UUID01a0ae96-0b8f-7fbf-b9bf-f4cb09adfb1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079187
StatusPUBLIC

Content hashes

Canonical text62a02fd13885556b0965f4b26483ad0707a1c91f903f0ebd5f930c91054a7510
Markdownbb84f8dafc238810707754b2ec802875f56df71987bb8924cea18f451da43e85
PDF
Publication page36cb71b52f5bcc461541bc5e7e078e5ad166040d018d5d0cc865acd0ffaf36f6
Manifestf4cef277ca45aeb91b4951beb3211c5657e646699219a6ebe4d7097b1af43c92

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
Signature7leHDXrfvJXP27gaEnqy+QwdWMthqwGDOHk5oBOnDlB7qqV2EcbybhD/vHMAwgehXzm3TfBCdzY1d1EXLv42DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:46.775653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079187
observed 36cb71b52f5bcc461541bc5e7e078e5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:46.758718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079187/manifest.json
observed f4cef277ca45aeb91b4951beb3211c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:46.741970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079187/publication.md
observed bb84f8dafc238810707754b2ec802875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:46.724610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079187/publication.txt
observed 62a02fd13885556b0965f4b26483ad07...
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.