OpenTechnical

OT-2026-000057919

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000057919) never changes.

Identity and time

Publication numberOT-2026-000057919 · never reused
Internal UUID01a0ae88-6ed9-7ac8-a68c-9cd64fbec65e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057919
StatusPUBLIC

Content hashes

Canonical text1a5e0af8efd86f07dc24b80a39148360184a1d6052833bbb2786987bade30931
Markdown01d8fe247c4b69c2d91c52f6ef0645dae1f688469b8f9159a9aa919015772fce
PDF
Publication pageddf205d73193a3e4094821d9b06b2f0860618232a414a423f698106ff5547fec
Manifest45dac961c17edc204fca7c2183213820ef0320bcd0dde9bead90898597f858e9

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
SignatureAZHsM8CADdAcsqvvRrhvNRzUTR5UWX+QZ+ZtWGdP9JTUFCrmu/LPFqaz8J5p4520pTp5zTyaHYxtH+Cb/JSjAg==
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

2026-09-17T10:47:31.604187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057919
observed ddf205d73193a3e4094821d9b06b2f08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.586726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057919/manifest.json
observed 45dac961c17edc204fca7c2183213820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.570091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057919/publication.md
observed 01d8fe247c4b69c2d91c52f6ef0645da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.551341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057919/publication.txt
observed 1a5e0af8efd86f07dc24b80a39148360...
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.