OpenTechnical

OT-2026-000074562

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000074562) never changes.

Identity and time

Publication numberOT-2026-000074562 · never reused
Internal UUID01a0ae93-717b-7c89-951d-5126e3a0f084 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074562
StatusPUBLIC

Content hashes

Canonical text4f5e64ad977f5f208acc3c883b651998c75fe0d94da7cc731f1abeaae4859499
Markdown93f2f8fd7b330af3411e5704a3051beb014d5db29f375de4d450f7863dc3aa38
PDF
Publication page76b120f76257c78765e0497c063c25a0242d405c19032ed01b7c41700988e887
Manifest4a76ce26ede87a22b4ec9adb2dbc4b48989f30e6b46e709a225446c359e90a7e

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
Signature3Idq6WWfWRfQtGhqERDeUGQguMCVUcoGbR5xoDkcLaufQv+aXp9P75ulGCcTm5KKKOxN9IXDL7vohb2L578ICQ==
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

2026-09-17T10:19:34.608687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074562
observed 76b120f76257c78765e0497c063c25a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.590170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074562/manifest.json
observed 4a76ce26ede87a22b4ec9adb2dbc4b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.571196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074562/publication.md
observed 93f2f8fd7b330af3411e5704a3051beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.552124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074562/publication.txt
observed 4f5e64ad977f5f208acc3c883b651998...
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.