OpenTechnical

OT-2026-000083381

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000083381) never changes.

Identity and time

Publication numberOT-2026-000083381 · never reused
Internal UUID01a0ae97-c964-7687-a2ee-11582ab4965c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083381
StatusPUBLIC

Content hashes

Canonical text490f105e3f1487c7b1270fc382c8c919973315bea0d9339bfbf0f0d6c5458571
Markdown65c7411ee1f2b76c4498ef393a86b699c9af1efc5aed668e153a9dc16da033db
PDF
Publication page920781c153552554b6165e2ed7497ffc981f9170f21fdf198253a28336ac4579
Manifestfb32a28b96ad362aac65a60b571fe8044167411925feebd9ac8235d03905a422

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
SignaturelVmL5x8yXzrRJkDYtGDkxp3pjhHYDJP6xw9ai4vFMV+btEPLZgEwGHgeAnuTOFTLKxZsSIWzG1qTpGPogtuMDg==
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

2026-09-17T10:00:49.295110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083381
observed 920781c153552554b6165e2ed7497ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:49.259723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083381/manifest.json
observed fb32a28b96ad362aac65a60b571fe804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:49.235758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083381/publication.md
observed 65c7411ee1f2b76c4498ef393a86b699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:49.213466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083381/publication.txt
observed 490f105e3f1487c7b1270fc382c8c919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:47.152076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083381
observed 920781c153552554b6165e2ed7497ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:47.138664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083381/manifest.json
observed fb32a28b96ad362aac65a60b571fe804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:47.122679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083381/publication.md
observed 65c7411ee1f2b76c4498ef393a86b699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:47.106782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083381/publication.txt
observed 490f105e3f1487c7b1270fc382c8c919...
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.