OpenTechnical

OT-2026-000070658

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000070658) never changes.

Identity and time

Publication numberOT-2026-000070658 · never reused
Internal UUID01a0ae91-8c2c-7b26-89b0-564e4a66b585 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070658
StatusPUBLIC

Content hashes

Canonical textcae86f45a5c3db8441a1fa88bee7e91a8822dd6ac18789b1fc5e48220069cd58
Markdown390ea22a0a4025dc0cfd4f7fe3c3ddeb44a0cdb14c59dbd6e3e4dd0856e58bed
PDF
Publication paged4df6e1fb42b3ec685b41ae8fd5c30493c0504308dfd05d61605a42b40028848
Manifestb632e6eade18e6cb97b2ab3e006a49ffa56e160ff1271a8add3f610759af937b

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
SignatureMZw7wkyjarMfUEwS70QiNNX/SqpL8O7HTTQAPy3paqUmqQr3SNjM+IJW7pA9SLSoewaQGKBESMYcXbrGZvnKCg==
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

2026-09-17T10:25:16.119119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070658
observed d4df6e1fb42b3ec685b41ae8fd5c3049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:16.100613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070658/manifest.json
observed b632e6eade18e6cb97b2ab3e006a49ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:16.081678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070658/publication.md
observed 390ea22a0a4025dc0cfd4f7fe3c3ddeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:16.064103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070658/publication.txt
observed cae86f45a5c3db8441a1fa88bee7e91a...
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.