OpenTechnical

OT-2026-000057763

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum 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-2026-000057763) never changes.

Identity and time

Publication numberOT-2026-000057763 · never reused
Internal UUID01a0ae88-6ed7-7966-b260-e049abd80f34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057763
StatusPUBLIC

Content hashes

Canonical texta800cd961dea5409c5afa6e693573873e855ebb5ae130eb730176c3eeee40489
Markdownbb8130197a11b11c9f0b5000ee6203c02c7187a5f7a609b7bad888071fe36214
PDF
Publication pagea9b88c219a646cd31f5a56d95ee2dc1c1bd71a23d4d80a1b2211f017bbd2e065
Manifest931cc1eb1f976bcdedbaa7ae4af756024b9cd3016da1213f17be4faeb2d06e14

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
Signature/cX4i3S2L+CX77OGIV3/e0SUPw4cdeyqi71uPuXEhmQkRhe1jep8A9neSqaADS6sRJd5vsDdwNkQuDjXp0VKAw==
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

2026-09-17T10:47:18.580417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057763
observed a9b88c219a646cd31f5a56d95ee2dc1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.561988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057763/manifest.json
observed 931cc1eb1f976bcdedbaa7ae4af75602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.542955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057763/publication.md
observed bb8130197a11b11c9f0b5000ee6203c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.524605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057763/publication.txt
observed a800cd961dea5409c5afa6e693573873...
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.