OpenTechnical

OT-2026-000061784

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061784) never changes.

Identity and time

Publication numberOT-2026-000061784 · never reused
Internal UUID01a0ae8b-b8ab-7998-acff-578968ef2795 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061784
StatusPUBLIC

Content hashes

Canonical text2c8fac551d3c194be5ddc80971a91e5583a155ea5c6f0f0bb7ecc25cc942d544
Markdowna899418244025772d3c1d56739f7beb36f67c11432116f52a63af39d7ca1fa8f
PDF
Publication page79c860153c6f753b274e5e3431155225721ec98720479b639d7c5d265b63f8e9
Manifest1b6b3d158f588d34d2efda78ff26e326450741a85ed3223d45328c2f703f5743

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
SignatureQ1nGlA/+gGG9jvjGF3X3YE5eVI7FDV7SdQvRRGIGPYorzFKEljg3zy48mPBTr+K4PeRIvm+Bw+4D2hysqLnVAg==
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...

Independent retrieval

2026-09-17T10:40:30.020758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061784
observed 79c860153c6f753b274e5e3431155225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:30.000390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061784/manifest.json
observed 1b6b3d158f588d34d2efda78ff26e326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:29.980017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061784/publication.md
observed a899418244025772d3c1d56739f7beb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:29.958451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061784/publication.txt
observed 2c8fac551d3c194be5ddc80971a91e55...
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.