OpenTechnical

OT-2026-000050524

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000050524) never changes.

Identity and time

Publication numberOT-2026-000050524 · never reused
Internal UUID01a0ae82-5c49-72e2-bc90-d42adabfa7a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050524
StatusPUBLIC

Content hashes

Canonical textd2f6fee033c9b5110e176c60d5d5425d42c50218b25ebbed79870ccd1844c7fc
Markdownef4bc78d2a545f665890fd5adf7d32d59ac97f8e37213bfd6752abe76ef0dc81
PDF
Publication page3f1b63a0192e7243e351bf49fb147f345b4c28a6eca862e61c0d80779ab7df3e
Manifest1cc1be86782a5d6df41d7b3766d26e3a49341434d4a52f5b937e611247e2894f

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
Signature1jRQ26RNdibcDUHkwI/RtsNF97AzFKceKhxzUpsYEo/PMkSMHlh88ammdS8Xf6aJCZtV3a6qP39FQMGuGemPCw==
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

2026-09-17T11:01:37.062343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050524
observed 3f1b63a0192e7243e351bf49fb147f34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.045480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050524/manifest.json
observed 1cc1be86782a5d6df41d7b3766d26e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.029519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050524/publication.md
observed ef4bc78d2a545f665890fd5adf7d32d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.012255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050524/publication.txt
observed d2f6fee033c9b5110e176c60d5d5425d...
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.