OpenTechnical

OT-2026-000079493

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, sustained 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-2026-000079493) never changes.

Identity and time

Publication numberOT-2026-000079493 · never reused
Internal UUID01a0ae96-0b91-718e-a8d7-18821d2fee36 · 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-2026-000079493
StatusPUBLIC

Content hashes

Canonical text519893503bdffc26de20758261504d7254fc480e190ca2625cc51e81333c93de
Markdownab38509d7a41cfe477b2886a725840b4466110d032e8a8ee779cb2b23b596555
PDF
Publication page297b2caa3d54e03464d48d2abff227b05acce65d8483b3edf0cd501a724e04bd
Manifestd297f16600a454e4cbe2ca6935b821ba245bdda3ad57d5ac1406e90c4554ac2b

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
SignaturexnzqTEFeaGPSsvfPmI5ErdPfVomCUI5CkAgJ91B2gsiBGCPbbTxnbvgaba1yKDk0psgTz030BWkGtS3PfkZYAA==
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

2026-09-17T10:05:07.033256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079493
observed 297b2caa3d54e03464d48d2abff227b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:07.015817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079493/manifest.json
observed d297f16600a454e4cbe2ca6935b821ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.996892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079493/publication.md
observed ab38509d7a41cfe477b2886a725840b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.977135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079493/publication.txt
observed 519893503bdffc26de20758261504d72...
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.