OpenTechnical

OT-2026-000042755

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000042755) never changes.

Identity and time

Publication numberOT-2026-000042755 · never reused
Internal UUID01a0ae7a-c0cf-7d7d-95a7-c7ca4d91e6e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042755
StatusPUBLIC

Content hashes

Canonical text0ebff5c56b8a6f03bf9f21ae9d1e537da4174a1db66982f248deee606f87d333
Markdowna32f7039b49828bd0a5110d9c083fbfad029eb040d831d7f603dceeb281e5277
PDF
Publication paged1ef0856609fd8d555400d7ca5f327138c8f59b727c9078c783b528e049c4746
Manifest4cf911d30218248b3ba676b009b46910bb122c1ec7ff814c2717d7645efd063c

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
Signature8uTlg+6e8fyP0+K5EGy0FOPoslIKEfVSGGG+PiapUxTejU2RehOhiZ9g5SbaVohseBOawL9VkZ3XgKwK4RSCDA==
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

2026-09-17T11:15:12.486780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042755
observed d1ef0856609fd8d555400d7ca5f32713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:12.464658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042755/manifest.json
observed 4cf911d30218248b3ba676b009b46910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:12.443080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042755/publication.md
observed a32f7039b49828bd0a5110d9c083fbfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:12.421846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042755/publication.txt
observed 0ebff5c56b8a6f03bf9f21ae9d1e537d...
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.