OpenTechnical

OT-2026-000073514

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold 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-2026-000073514) never changes.

Identity and time

Publication numberOT-2026-000073514 · never reused
Internal UUID01a0ae92-efb9-7b49-9094-81a654e9f937 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073514
StatusPUBLIC

Content hashes

Canonical text6b5fa63995516646f6f1b52fecc19800244126296ddc91ff0ad605d4b2608d7b
Markdown49ad1233ada4033b12196b83388c94a225bbfd0bff1748c3b87b34f078083d05
PDF
Publication page8bece448585b586e71a6c5657e215be5ecca00f0aff36e827e0fd0f797abcb15
Manifest441b3795438f628c6eb625f2027d11d7b301ba0b53055f1488656791b7d20bfb

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
SignatureZBnZHlGLyyrGPYXQNOUATX3Ejv9/eX0bxeIH6WBn/uxSQJuVkKLiAEhnVMtx3gjq1aLk+YYa7qfq+Uvo0lY4AA==
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

2026-09-17T10:21:04.344283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073514
observed 8bece448585b586e71a6c5657e215be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.325926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073514/manifest.json
observed 441b3795438f628c6eb625f2027d11d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.309200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073514/publication.md
observed 49ad1233ada4033b12196b83388c94a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.291774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073514/publication.txt
observed 6b5fa63995516646f6f1b52fecc19800...
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.