OpenTechnical

OT-2026-000027520

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000027520) never changes.

Identity and time

Publication numberOT-2026-000027520 · never reused
Internal UUID01a0ae72-6998-7637-ba7c-7c45e449781c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027520
StatusPUBLIC

Content hashes

Canonical textd5dca27d950ca9a3ad68373f51d54e4b1cbc7f4ba2db6f0c9b8edf09007f504d
Markdown69ea06143e4dc26dadf0bb5507bbb153178b0dc423065a1ac62e871b48eff5ea
PDF
Publication pagef797631ddc8d179277eea07753d9afbd6fd57042a81970bc1d41fe2087291959
Manifest7b00bbf0b3b42b203c66bdbe398096444e9bc289d22b7586e1ecffb7702898b3

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
SignatureS7JTRUfqAEm4qq0PVK3JpisDJpR6TDCMo/9dK7bOWtMaH0Njem6tDwWCu5kdJYaEsbZ5YcaN6eldHwDTlaV3CA==
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

2026-09-17T11:42:59.978338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027520
observed f797631ddc8d179277eea07753d9afbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.962475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027520/manifest.json
observed 7b00bbf0b3b42b203c66bdbe39809644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.942818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027520/publication.md
observed 69ea06143e4dc26dadf0bb5507bbb153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.924426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027520/publication.txt
observed d5dca27d950ca9a3ad68373f51d54e4b...
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.