OpenTechnical

OT-2026-000068123

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000068123) never changes.

Identity and time

Publication numberOT-2026-000068123 · never reused
Internal UUID01a0ae8f-c4fe-7aa3-8588-0a17909ba707 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068123
StatusPUBLIC

Content hashes

Canonical text1cd93f60dafcffb8dc475f069cde34bf8c7c6fc056de8baee3e42b68f55e5f14
Markdownb9f9d311e2ec8c78b0877e3a96c6326cd983273962146bccb650dab2a69bafa3
PDF
Publication pagee8d28d64b4b5d3bf9e40d14b88e42cb8dc6f011aeb92e28dad89e42f9c59c10a
Manifestd15b216b74479e6c51e828d3f19aa0c89abe1f712c871a3d99405848875b15b1

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
Signaturex893ksqsCzYhJPyV7MHBY5PnaH4E2fMa7bvPaFWDd8eLLEtuU5e27Ner5jyfvMoMIZSL8UpbQcx3qlC1GoU4CA==
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

2026-09-17T10:30:45.709334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068123
observed e8d28d64b4b5d3bf9e40d14b88e42cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:45.689144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068123/manifest.json
observed d15b216b74479e6c51e828d3f19aa0c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:45.670907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068123/publication.md
observed b9f9d311e2ec8c78b0877e3a96c6326c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:45.651644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068123/publication.txt
observed 1cd93f60dafcffb8dc475f069cde34bf...
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.