OpenTechnical

OT-2026-000078915

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000078915) never changes.

Identity and time

Publication numberOT-2026-000078915 · never reused
Internal UUID01a0ae95-ccbd-7f21-949b-6e09f48a0993 · 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-2026-000078915
StatusPUBLIC

Content hashes

Canonical text62e031a309507b1a0426265631b2af61535b2e682b7fc0a86d1d08b18817db55
Markdown69d1ce0eae0a1b62f92078fba37de0e86f161badcacad5e89c0d31a4e3f45e0e
PDF
Publication pageeb730597ab64a50edf3949b80de9236d0761191140c46b5de2839da768d33294
Manifest1f96bb8320af2ea0680cd345c625c4c55eb2d07112a1c386d53246d2e2a30371

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
SignaturexpyF00gsM8PcuDVedcg3DBFyob0sJyCQe4Sl7U+O97pCDZXjot39MtFbnhFv65hQpMuZMzy2QFYWnmu1BvXdCg==
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

2026-09-17T10:05:43.912083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078915
observed eb730597ab64a50edf3949b80de9236d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:43.893632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078915/manifest.json
observed 1f96bb8320af2ea0680cd345c625c4c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:43.873920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078915/publication.md
observed 69d1ce0eae0a1b62f92078fba37de0e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:43.856923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078915/publication.txt
observed 62e031a309507b1a0426265631b2af61...
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.