OpenTechnical

OT-2026-000091277

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000091277) never changes.

Identity and time

Publication numberOT-2026-000091277 · never reused
Internal UUID01a0ae9c-f16c-791c-bcdb-a85e347d4685 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091277
StatusPUBLIC

Content hashes

Canonical textca7f6d1f74d5d8ba16790961b2f94199fda7a99e2fb511152f6b5f4cb53ffded
Markdownc0200a35811dfbb7f4771a754de6b3f78d036fe771730b1806994cac4107ff7e
PDF
Publication page3ab08f6d502055795a98becc3dc3dc9e33c47af5e0c63e7c649ed2640959a464
Manifest1a7bc0e6fa3d88b1a6e595a567ae36bc3f25c9fe3aa1a807d6244e9df54934d9

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
SignaturevxquHxsZS78K2Y1gtNf4I2BDuXEIZp1KStRTsKMJT7sWJFZQ+qCtK/xW2D9A8bCcO9Frmeb4W7x8j0JNiBL6CQ==
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

2026-09-17T09:43:27.520740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091277
observed 3ab08f6d502055795a98becc3dc3dc9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:27.501117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091277/manifest.json
observed 1a7bc0e6fa3d88b1a6e595a567ae36bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:27.483529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091277/publication.md
observed c0200a35811dfbb7f4771a754de6b3f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:27.467270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091277/publication.txt
observed ca7f6d1f74d5d8ba16790961b2f94199...
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.