OpenTechnical

OT-2026-000082742

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented after set-down

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-2026-000082742) never changes.

Identity and time

Publication numberOT-2026-000082742 · never reused
Internal UUID01a0ae97-8cc9-7002-9c6a-9a21adc8a755 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082742
StatusPUBLIC

Content hashes

Canonical text704fa5e7040b385851cd1929d9ab5bdc5d60f10a68d843375bcac6a1d56c50ab
Markdown2804327ae6418e66f805bdd54e818f53be03475887111e406e3164d7f4a54391
PDF
Publication page09fd1931c580cdd3c66248150c1a4aa729847344d14dadc5ab63a6a56bedeb6e
Manifest2d0b8803251506caf2cca5a202502dad56abf23e9717f8cff597e9b85ec1517d

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
SignatureAZia2Xcmy7O+FR3DUWwjdJSr/wmzuGNWL3fJPeZkLjH2WfY3AOcJokQVLrVT5LkiBgAmzrVKHivMNX83mleXCg==
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

2026-09-17T09:58:19.410226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082742
observed 09fd1931c580cdd3c66248150c1a4aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.393902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082742/manifest.json
observed 2d0b8803251506caf2cca5a202502dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.376260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082742/publication.md
observed 2804327ae6418e66f805bdd54e818f53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.360324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082742/publication.txt
observed 704fa5e7040b385851cd1929d9ab5bdc...
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.