OpenTechnical

OT-2026-000078953

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000078953) never changes.

Identity and time

Publication numberOT-2026-000078953 · never reused
Internal UUID01a0ae95-ccbe-7465-8292-55bd664df56f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078953
StatusPUBLIC

Content hashes

Canonical text9cc66fc605446c204829d2da3e4f448f5540dfe23898b9326c9cbf890c0495f9
Markdownee6fa7a5e3778bc5b6f8597168931350e6fa93c43ef52b7434e389c621218f22
PDF
Publication page084754e35e792ece65018b4484cd3aa24991d60d0ce0c8f3ab38a363912e1e48
Manifest8a9cd8f467da48ba6dda8dcddf4e97dc84232118b61f5ecbba5fa2537aed2286

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
SignatureWxUMRX77vWOpMk8rDl9wuE+UEXvK0gxye83/Ikbsf5wQ/YjZy+5A9XCe3x31bgNUALK4ywK+UibFt3XhCGSFCA==
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

2026-09-17T10:05:46.668661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078953
observed 084754e35e792ece65018b4484cd3aa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:46.651681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078953/manifest.json
observed 8a9cd8f467da48ba6dda8dcddf4e97dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:46.633890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078953/publication.md
observed ee6fa7a5e3778bc5b6f8597168931350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:46.615194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078953/publication.txt
observed 9cc66fc605446c204829d2da3e4f448f...
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.