OpenTechnical

OT-2026-000068575

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000068575) never changes.

Identity and time

Publication numberOT-2026-000068575 · never reused
Internal UUID01a0ae90-2482-7feb-bc08-cd6febd0ad78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068575
StatusPUBLIC

Content hashes

Canonical textd27831d7da42efce0677e31aea9eccca5680dcadc3b56a94180657dfa7a127c1
Markdowna6f26d7bf7cbcade4fad7132cf118a36e858bd806cfab53fe5f9d2e1c2124e69
PDF
Publication pagef43a3de54d5d306baf7ee62f0adb0fcf8f958e71e2de5033d58735a65d482810
Manifest08228595f9cba072d71a0e25a594ff8114462399d574884af60ccf836c9f7ce2

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
SignaturedMIsQoOVOIsbxhPqf9hiv62fS4hrvbc9i3NQfM36roYVrvuAURGWus4+WW2bUtN2eUIXtFOGp3FK01S3AWfyAw==
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

2026-09-17T10:29:44.894280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068575
observed f43a3de54d5d306baf7ee62f0adb0fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.877290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068575/manifest.json
observed 08228595f9cba072d71a0e25a594ff81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.859083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068575/publication.md
observed a6f26d7bf7cbcade4fad7132cf118a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.841855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068575/publication.txt
observed d27831d7da42efce0677e31aea9eccca...
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.