OpenTechnical

OT-2026-000076157

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000076157) never changes.

Identity and time

Publication numberOT-2026-000076157 · never reused
Internal UUID01a0ae94-6a6f-74da-a1ec-b3d40c951319 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076157
StatusPUBLIC

Content hashes

Canonical text58e3a8edee60a3b235146185bf658ad0c43cd3c676522e6e2586117823acf36f
Markdown28cbb433abdf4e19dfd86644e5d40d02e58e9b781b4de593b4466e666ac4f15c
PDF
Publication page7b80b8d36f07f270442d2ccbfa7f99ad923b9e600e7cb260a346cd9323245b9a
Manifeste01deb0bfa10f99fc6ba85a522576575928a44be125bb080f9324643d1012ff4

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
SignatureFCSCDMdRIAq6NTU5Q+KvL+0YTariJpTjrgLNGJo+iGx5+wdx16Ry0SIeRThfpzpVdQ0HUHSz0mj/bQYEjnnBCw==
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

2026-09-17T10:11:13.746611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076157
observed 7b80b8d36f07f270442d2ccbfa7f99ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:13.726566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076157/manifest.json
observed e01deb0bfa10f99fc6ba85a522576575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:13.705693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076157/publication.md
observed 28cbb433abdf4e19dfd86644e5d40d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:13.558644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076157/publication.txt
observed 58e3a8edee60a3b235146185bf658ad0...
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.