OpenTechnical

OT-2026-000076433

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000076433) never changes.

Identity and time

Publication numberOT-2026-000076433 · never reused
Internal UUID01a0ae94-6a71-730f-9aeb-982d5091d03d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076433
StatusPUBLIC

Content hashes

Canonical texte9bb79cdbf7b24b54e36f5aaa2ba7491a918631b28cd07b2a40659f87d2a414b
Markdownd9e2d9f0780879adf3d947e6d6248e34f2fb724045ae156b5868551fcbde19df
PDF
Publication page5e99115910cbba6bbbc241c47cf3ab46d22c7f1f980ac316266567385efbb504
Manifestb2560b2bba51fb37d54f8ca03c743978ec96fd3f49dcd30e0a65ab6ccde8fdd6

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
SignatureDkQQX2PmUTzl35Z2857TZWcNuCxesesk8oyFYsrjQsFpsbhlDzYbpZ7pxHHYJ4fUz26FgI/ymXLk1zw5b1AyBA==
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

2026-09-17T10:12:26.954972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076433
observed 5e99115910cbba6bbbc241c47cf3ab46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:26.811993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076433/manifest.json
observed b2560b2bba51fb37d54f8ca03c743978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:26.793530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076433/publication.md
observed d9e2d9f0780879adf3d947e6d6248e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:26.775790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076433/publication.txt
observed e9bb79cdbf7b24b54e36f5aaa2ba7491...
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.