OpenTechnical

OT-2026-000079485

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, sustained 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-2026-000079485) never changes.

Identity and time

Publication numberOT-2026-000079485 · never reused
Internal UUID01a0ae96-0b91-790a-b3c8-3d9537e79151 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079485
StatusPUBLIC

Content hashes

Canonical text7c87b8b168a1ec1074c6855551bb40629b7fbaae33ebce8a1b4bc13b80f5e8bd
Markdownd9ea2a6f9e202832670f8b6249962bf7aee45c0eaf39bc2e4b662f13135d0038
PDF
Publication pagebc0609337e37e17fd9c46d6085538f070c464a598b05f967123c898b8eff79c3
Manifest7a109ba5069bad682e6c04f111ed44f1b146c099f4efd9225e44294d13b4a2c2

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
SignatureRvBnzwFp0MA82XWJj92ARdGgO4Q/jJ4kCE/2CPycSB36w1RDB9+ZnsAdjG1MyAXnX4Ty9Dd6O+5MoH/PRTlPBg==
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

2026-09-17T10:05:06.505542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079485
observed bc0609337e37e17fd9c46d6085538f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.485403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079485/manifest.json
observed 7a109ba5069bad682e6c04f111ed44f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.467037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079485/publication.md
observed d9ea2a6f9e202832670f8b6249962bf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.437310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079485/publication.txt
observed 7c87b8b168a1ec1074c6855551bb4062...
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.