OpenTechnical

OT-2026-000089718

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089718) never changes.

Identity and time

Publication numberOT-2026-000089718 · never reused
Internal UUID01a0ae9c-1a22-738f-9779-af2cdba48025 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089718
StatusPUBLIC

Content hashes

Canonical text2aee2170046b5ec7fbd439a917ecf7963050bacfff206ed04f9f30c877a4e1fc
Markdown2a9aecd18f845af0479e857c676b33c02cbdbf521ff4e1066c0c3671616ce75b
PDF
Publication page4835656a4ed62feb4f462a981491027fc0fdb7f5ce28c04839c33633d16ec07f
Manifestbc95c207aadf0672848d36957f3894c08ae6417be10c52d0adb5ae718eda3522

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
SignatureV5stGfYhxGyPHBMlpZbA7EukDH1ItXvFYuiX1amTChd++ecfQzjtvCcsbGj0dF5wKzhRK5bAunN2uS4gNF6gDg==
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

2026-09-17T09:46:43.349582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089718
observed 4835656a4ed62feb4f462a981491027f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:43.334155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089718/manifest.json
observed bc95c207aadf0672848d36957f3894c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:43.317774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089718/publication.md
observed 2a9aecd18f845af0479e857c676b33c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:43.300196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089718/publication.txt
observed 2aee2170046b5ec7fbd439a917ecf796...
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.