OpenTechnical

OT-2026-000075536

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented before 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-2026-000075536) never changes.

Identity and time

Publication numberOT-2026-000075536 · never reused
Internal UUID01a0ae93-f202-71ab-b1c6-23731ca2d4cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075536
StatusPUBLIC

Content hashes

Canonical text707d086588935d6022bb5540e3bc7a7e3fe45f9f82f6c3b231e1498affb2c496
Markdownd28d914cc3764b476d5ad9b0b140f31fd8a5dcd791d13f249c12816396c6fc56
PDF
Publication pagee5102479d6057819c94a1e621eae9fd4b216255f24036ae66884a9b80962d6ad
Manifest4b7106f0108bd41350b5ba70b1af3a193a005bdc75e08f5f76433b845a01a09d

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
SignaturePd7kRzYS2ivUL3K5gr5adv1VCkC/5gCU4b0D1I5slB6eweyzCvB0q52U+tnrMQ3aaNDUlulUHDy85FZtl4bmDQ==
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

2026-09-17T10:18:02.240449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075536
observed e5102479d6057819c94a1e621eae9fd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:02.223140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075536/manifest.json
observed 4b7106f0108bd41350b5ba70b1af3a19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:02.205929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075536/publication.md
observed d28d914cc3764b476d5ad9b0b140f31f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:02.061269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075536/publication.txt
observed 707d086588935d6022bb5540e3bc7a7e...
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.