OpenTechnical

OT-2026-000071257

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000071257) never changes.

Identity and time

Publication numberOT-2026-000071257 · never reused
Internal UUID01a0ae91-e0ec-766f-a5a3-40e25c9a9ec3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071257
StatusPUBLIC

Content hashes

Canonical text44ac5d3cb2464fd07f919d70c6aae2358acdeb08fa17574e0708db51a049882c
Markdowne1ab4f2e53ba2967b224b837910ca7d8cd1e452c08efb01dd793c5dc3507333d
PDF
Publication pagefd6d5064317f8f5140c7e61a67f038b879e818bca9073960706f94f49b262011
Manifest75c60cbe767a0ee3cf0c6f0fd31f9d7fbc7792365279737e5e0e567b48270aaf

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
SignatureIhkp+xOyp2PKlLCJ2GYNmfYrujENflLPNnty0k+/Dlp8kcL3jV2HdtR/0CquwjN+s44E7RUfPh4mQXeK2OCACQ==
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

2026-09-17T10:24:48.494738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071257
observed fd6d5064317f8f5140c7e61a67f038b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:48.475368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071257/manifest.json
observed 75c60cbe767a0ee3cf0c6f0fd31f9d7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:48.457454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071257/publication.md
observed e1ab4f2e53ba2967b224b837910ca7d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:48.438915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071257/publication.txt
observed 44ac5d3cb2464fd07f919d70c6aae235...
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.