OpenTechnical

OT-2026-000056817

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000056817) never changes.

Identity and time

Publication numberOT-2026-000056817 · never reused
Internal UUID01a0ae87-7af7-7682-ab55-2446e44fb9b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056817
StatusPUBLIC

Content hashes

Canonical text7ac08dd8835a41f687b54c601f41821f54f75b6863362ebabe738754ad66fc51
Markdownba931b7921cd32cd8a1f91318855a782ba4eeb264eed5417eba6e93fdcfa3c2d
PDF
Publication page944c974b2a48e1cdac4e79062d893cb14a6cdcd87afa1458fc87b8ebce16fe5f
Manifest8f7586d68c03e16cf0062c61066e0648bf8f2bd8e66295e8d0543e8f12590bdd

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
Signaturej0OZZWvzz9r0k4iPFqxLSW93oB8tN2n3tLJutIfhZBDgRRy+htuqKLNAq95Jpquj2bGfEuoZxcc5rf0mnONeDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:18.422145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056817
observed 944c974b2a48e1cdac4e79062d893cb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.403340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056817/manifest.json
observed 8f7586d68c03e16cf0062c61066e0648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.386302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056817/publication.md
observed ba931b7921cd32cd8a1f91318855a782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.368382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056817/publication.txt
observed 7ac08dd8835a41f687b54c601f41821f...
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.