OpenTechnical

OT-2026-000008733

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000008733) never changes.

Identity and time

Publication numberOT-2026-000008733 · never reused
Internal UUID01a0ae6a-e46c-77b0-96d3-025635de4cde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008733
StatusPUBLIC

Content hashes

Canonical text5f79cfd7706606e439f36c4185d8722a5d9ddce06e3dee459b1623ef61207b99
Markdownd6d797e9088251d41aa8fd973cca77a23a89d0aae1b6a8e096bc54fa96eb60a2
PDF
Publication page301718ebb78a2457282f1ed7f59309bed81f61a038e36a5281c985c0e1079e58
Manifest4706815e81db8c5d74f9931f5493024683ed1129b7db68c98f12a29bcf87d70b

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
Signaturei9FtR3PqZgEjbaWEsnaeWOj9AmUM4nNpJxivi4cvwWiRablo421Kgd/V37O4yXTzjK2iQGOpFJtxLvb9gh8jCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:49.245273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008733
observed 301718ebb78a2457282f1ed7f59309be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:49.226780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008733/manifest.json
observed 4706815e81db8c5d74f9931f54930246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:49.206337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008733/publication.md
observed d6d797e9088251d41aa8fd973cca77a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:49.186137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008733/publication.txt
observed 5f79cfd7706606e439f36c4185d8722a...
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.