OpenTechnical

OT-2026-000009503

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000009503) never changes.

Identity and time

Publication numberOT-2026-000009503 · never reused
Internal UUID01a0ae6b-7562-7cc9-8923-253caa330f95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009503
StatusPUBLIC

Content hashes

Canonical textc2bfe355d0b5dbbb47b57d28b189ed3a6fdcfd277f38ee98cebf413acd2d2e81
Markdownb70d2b11ba4b3d7abcee23e4514f03810e6b51807832f670f4e56c08e75fa5b8
PDF
Publication page7f8535fdef3aaa3b5e3d624dd85f06dff0bffd820b4d543ec4fd7eb76c4c7129
Manifest58027c1c852a6324d8e6b17dd02216dcf5f427965b925adc2ed6dc71f570cdf9

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
SignatureapjVGUKo2zUVO6zT+Y+LYeSu4uWLuC5E1wCPPu67OzppujRYBx8mGWW1PJSFis3FWqYaqgZ+rQOxYMFJR+NvCg==
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

2026-09-17T12:16:54.626615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009503
observed 7f8535fdef3aaa3b5e3d624dd85f06df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:54.607856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009503/manifest.json
observed 58027c1c852a6324d8e6b17dd02216dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:54.589379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009503/publication.md
observed b70d2b11ba4b3d7abcee23e4514f0381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:54.571347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009503/publication.txt
observed c2bfe355d0b5dbbb47b57d28b189ed3a...
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.