OpenTechnical

OT-2026-000010544

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000010544) never changes.

Identity and time

Publication numberOT-2026-000010544 · never reused
Internal UUID01a0ae6c-0ee7-7b82-bc63-fb6d5c2fe7c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010544
StatusPUBLIC

Content hashes

Canonical textfc1f7187831f3894f85b6eec03ac054c48c87a6f52c1d9f9d88ce5b886885512
Markdowndbbbb070a391bcb4b24e252f94d10c639aee277008d7caa06b444f24f6154582
PDF
Publication pagef20df90b89a7dc1bf1dec40deedb9c1636601a1352d05fb14bcfd6a31046ce18
Manifest104ccd412776dd1b7be10481aa9176d4be0e7eac03c350a9b07dfec0d19e4d5b

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
SignatureS1q3n/7CBs2CETMJp3iMSCG/dforFtyYSVcxMCN8JwmyEPgZGlOvo8uzfHGDd+eSGqvryJRa3GQgKHaUGqqDAA==
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

2026-09-17T12:14:42.582799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010544
observed f20df90b89a7dc1bf1dec40deedb9c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:42.562921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010544/manifest.json
observed 104ccd412776dd1b7be10481aa9176d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:42.543597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010544/publication.md
observed dbbbb070a391bcb4b24e252f94d10c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:42.523820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010544/publication.txt
observed fc1f7187831f3894f85b6eec03ac054c...
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.