OpenTechnical

OT-2026-000027219

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, 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-2026-000027219) never changes.

Identity and time

Publication numberOT-2026-000027219 · never reused
Internal UUID01a0ae72-3454-7446-8437-c790c40c90f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027219
StatusPUBLIC

Content hashes

Canonical text8f055dae225a6642a97e2b01b56fc14deaea1c0128a611fabd048dfa16a79956
Markdown21c5bf0dbf937f9c4d8cd9b1152c084eb3c4ddf35e1c559f3c8be3da71dfd3c1
PDF
Publication page649fdc352cb3a8c5c42b496ba4b21859e904acb20c9b2ffe3b79c2a2459407a1
Manifest10a13d882e3d72180b54547746a0fef85bf016efcf9e1dc9cbb5fbed7c978001

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
SignatureOIrkajAS54KO4K4njYTGbRU+mQiT+RppZocxvfPFJWVIfPBs8sN+O4xfTB23ojjOwgheIIEstgaGzpenlivDAg==
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

2026-09-17T11:44:06.650076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027219
observed 649fdc352cb3a8c5c42b496ba4b21859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.631588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027219/manifest.json
observed 10a13d882e3d72180b54547746a0fef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.613586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027219/publication.md
observed 21c5bf0dbf937f9c4d8cd9b1152c084e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.595909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027219/publication.txt
observed 8f055dae225a6642a97e2b01b56fc14d...
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.