OpenTechnical

OT-2026-000034055

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, 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-2026-000034055) never changes.

Identity and time

Publication numberOT-2026-000034055 · never reused
Internal UUID01a0ae75-df0c-7b0c-a6f7-64caf884bcc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034055
StatusPUBLIC

Content hashes

Canonical text08665dab1c96c37441c3c3d4555640b1c7374452a0bad0d18a229ecb4b19837f
Markdown728071e954dff5c58663dbaa87284e83a414f793c1ae1bf87b6d5eb4aa7c9337
PDF
Publication pageea1e9c08fa3b981ff190c9e7b334491858c19ddb15700e3a5ab1156317fddbdd
Manifestdecfc75d307150375075b4f3d36d976c0f0313cf287daf26acd7cfa6fb31246b

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
SignatureE0pw5a2aedkrS8b4gsYV9NS+QXBzN2xb64vjp+WiBFPiU7vy4+dvM/E3+HM4CDkYtfWTDTuiK+qEhwBVhOhYDw==
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

2026-09-17T11:30:17.742834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034055
observed ea1e9c08fa3b981ff190c9e7b3344918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.723839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034055/manifest.json
observed decfc75d307150375075b4f3d36d976c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.704136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034055/publication.md
observed 728071e954dff5c58663dbaa87284e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.683794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034055/publication.txt
observed 08665dab1c96c37441c3c3d4555640b1...
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.