OpenTechnical

OT-2026-000078538

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000078538) never changes.

Identity and time

Publication numberOT-2026-000078538 · never reused
Internal UUID01a0ae95-7c29-788a-b606-437e47d3aaa1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078538
StatusPUBLIC

Content hashes

Canonical text6e20d2b411938658d60f157aa5030a99ef44ea36daf409eefe9a0500c19ab057
Markdown760b98166d2c18713c70cb5ad72eb1fbf4537b350d031a922be410f1a4df5b33
PDF
Publication page5c1a5c57fbe03f1feffc8156ade79ed4a778b7c44598fa3f7543d6e5cec5faba
Manifest7d262bd4583bea94bc066cea340bad8e19f4dbab2d40c593b31935042ec927e2

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
SignatureWTynRIsGH6oQQQxq+XSz4Z1V83NXP93XDLw5WsvvUWg3eDwJd0QSme6lHcrTx6dEhBxwSnu3WVNt7dPMYZy/CQ==
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

2026-09-17T10:06:03.804822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078538
observed 5c1a5c57fbe03f1feffc8156ade79ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:03.787855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078538/manifest.json
observed 7d262bd4583bea94bc066cea340bad8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:03.770017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078538/publication.md
observed 760b98166d2c18713c70cb5ad72eb1fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:03.753671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078538/publication.txt
observed 6e20d2b411938658d60f157aa5030a99...
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.