OpenTechnical

OT-2026-000068801

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before 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-2026-000068801) never changes.

Identity and time

Publication numberOT-2026-000068801 · never reused
Internal UUID01a0ae90-6dcb-7450-a9c6-dadfd5f9349b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068801
StatusPUBLIC

Content hashes

Canonical text3c3d94989fa097886595d7c7faf008f3e5fc564f56a83b8e18058c1c58a59a4f
Markdown08fe5f751603f5cfb06e5e335f516f272fe28e7a61b035e86398e4d11833704f
PDF
Publication page4104d6d5d29818ae8367ccf909085162f2d3fdff90712cdfea50eb1abf109888
Manifestd7f5d01d861bbe5a33fae998e9e5feaac9bbd0a816d0d52bef3097c155614f8e

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
SignaturenLq0aQS9/2hDZcynl8BcgjQUK6KsUVjkG0vDagLYdv1V9YHLqDdMkMsq2ynIffXbuxbYmQKsY08UAsovwS8VCw==
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

2026-09-17T10:28:36.149690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068801
observed 4104d6d5d29818ae8367ccf909085162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.133875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068801/manifest.json
observed d7f5d01d861bbe5a33fae998e9e5feaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.116186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068801/publication.md
observed 08fe5f751603f5cfb06e5e335f516f27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.099795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068801/publication.txt
observed 3c3d94989fa097886595d7c7faf008f3...
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.