OpenTechnical

OT-2026-000088741

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000088741) never changes.

Identity and time

Publication numberOT-2026-000088741 · never reused
Internal UUID01a0ae9b-8f10-7a73-8b7c-1b066baf507a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088741
StatusPUBLIC

Content hashes

Canonical textc8235b0d212edaac138d920abd6b4dacc106a6c94c25749848b496ed708884e2
Markdown99fa18b7be2611f5b75c04008057a88d7d0bc00206c79727521754d4c1f8163e
PDF
Publication page4fb58f80068e4c4adfeead01da2ba61f3b1735e66b548a2683bd02264fe3e7a5
Manifest590f916bdf7cb24b647e3fe7046d9405194f34deb40fc76440ec6db1be3f1ce8

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
Signaturerhl68gZuowa3XsMgtWOoib1NBNkuByIorNqZzgR9gHqeB+5Ttr5ddhKzzpCkD2gJZVwmPJkmh8A3HEuYF1PuBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:51.743753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088741
observed 4fb58f80068e4c4adfeead01da2ba61f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:51.691512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088741/manifest.json
observed 590f916bdf7cb24b647e3fe7046d9405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:51.669595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088741/publication.md
observed 99fa18b7be2611f5b75c04008057a88d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:51.606552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088741/publication.txt
observed c8235b0d212edaac138d920abd6b4dac...
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.