OpenTechnical

OT-2026-000057593

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line 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-2026-000057593) never changes.

Identity and time

Publication numberOT-2026-000057593 · never reused
Internal UUID01a0ae88-2693-722b-8306-4fd5ec8549da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057593
StatusPUBLIC

Content hashes

Canonical text021003d79d711fb31a2c6226e0cf2d6ab3cc6daf8c1bd5bd34be7d4b8d6daf48
Markdownc85dd32d732a16ab8309e02749e9b978f8acd9597e535a2fe62dd78fdcd66b1a
PDF
Publication page78d9ebc500051260ef0d41d8ecf9dfdd43ca9fd1d41172203403e7825dbf6625
Manifest607bc03626385eec1ebda44aab6101a83535262dc3aa1c16c1c5935a26417b55

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
SignatureQnLXV9Q2Vs1P/hbNGJNLdzgXm3Jb1BhfNrq9ghrT4H/Sq018wEV6D9uXeqEi5MzJayHB1Nm5//NdPxEj6T4kDA==
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

2026-09-17T10:48:08.623484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057593
observed 78d9ebc500051260ef0d41d8ecf9dfdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:08.606240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057593/manifest.json
observed 607bc03626385eec1ebda44aab6101a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:08.587935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057593/publication.md
observed c85dd32d732a16ab8309e02749e9b978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:08.567144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057593/publication.txt
observed 021003d79d711fb31a2c6226e0cf2d6a...
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.