OpenTechnical

OT-2026-000020582

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, manifold 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-2026-000020582) never changes.

Identity and time

Publication numberOT-2026-000020582 · never reused
Internal UUID01a0ae6f-437c-75cf-b542-c407e64ecc03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020582
StatusPUBLIC

Content hashes

Canonical textf1795c23dbd9901ca8cc4d88ec9cbf0dc48ce1636a3c9c3df40c64f1955ff473
Markdown75775ae4599816feadeb56ad5e40e7801aae7c859c02347abe0659ae80b305aa
PDF
Publication page3a14379e26f977e728a37d01fb13aba02e7f90c9ff7ca9210700d1cf21ca510d
Manifestd160baa55dba349ca2549ffa7f0a923ae3b97e3ba2425615f5dea3eb9c8881cd

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
SignaturerYh4aeuEqoJHUJjKvEQheO+PS7Fp7lnQSL6I6VB/ZMU7Drj5DW3KIJRfnbgijukFerYdNkfc181JEwfOsRuxCg==
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

2026-09-17T12:00:42.951055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020582
observed 3a14379e26f977e728a37d01fb13aba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:42.931502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020582/manifest.json
observed d160baa55dba349ca2549ffa7f0a923a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:42.913673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020582/publication.md
observed 75775ae4599816feadeb56ad5e40e780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:42.895579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020582/publication.txt
observed f1795c23dbd9901ca8cc4d88ec9cbf0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:37.231031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020582
observed 3a14379e26f977e728a37d01fb13aba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:37.212594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020582/manifest.json
observed d160baa55dba349ca2549ffa7f0a923a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:37.195221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020582/publication.md
observed 75775ae4599816feadeb56ad5e40e780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:37.176803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020582/publication.txt
observed f1795c23dbd9901ca8cc4d88ec9cbf0d...
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.