OpenTechnical

OT-2026-000033722

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, pulsed 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-2026-000033722) never changes.

Identity and time

Publication numberOT-2026-000033722 · never reused
Internal UUID01a0ae75-a390-775c-b6a8-f8daaba27c2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033722
StatusPUBLIC

Content hashes

Canonical textcd5610a04e2d341eead3c0d4f87d690cec51a06403d05d244f6d0fe7ca0cb142
Markdown7b09f2d46f5588bd768f5c57a36e698322dc8878f61a3f2b123253e0601ec0a7
PDF
Publication page843e2c7fea3373e2e77edee76d1c72aab3d2871c224764d5972239e4132e39e6
Manifest5892968214eddc5905ae93950bf36e246e62a3aa68d788f2db31fec469d248ca

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
Signature77jVZ3Y0bT2rU3E+uCpIMbax0Y4msfuBTAt+jcdo+C2OVZaWuT3B1LuRN5Abbrs4PmpbUBf77KieUGQQwPqcCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:31:43.469441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033722
observed 843e2c7fea3373e2e77edee76d1c72aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:43.451752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033722/manifest.json
observed 5892968214eddc5905ae93950bf36e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:43.430614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033722/publication.md
observed 7b09f2d46f5588bd768f5c57a36e6983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:43.408897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033722/publication.txt
observed cd5610a04e2d341eead3c0d4f87d690c...
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.