OpenTechnical

OT-2026-000008902

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000008902) never changes.

Identity and time

Publication numberOT-2026-000008902 · never reused
Internal UUID01a0ae6b-31b7-769b-900b-eb1bb4f23d78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008902
StatusPUBLIC

Content hashes

Canonical textb037b2b4bfd8070274860ba56551546952d7a0fdce8e4dc92b76e5958a5d7343
Markdown2539e3d3bb4e7cec4b1976a3a91ef720ca1337e2e6df94caa16973479e2c6105
PDF
Publication pagece57a4662ad96ef368734edf1984c1ba22fcaae019f87f9177471ce6fc545c96
Manifest0d36dc6e053982654419374ca3bec95b9fd2677b8e548b403ae19867ee7d8a1d

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
Signature5TJQa9DxBjXBV/jZC8CfYAQkQeJlgfQOxvr7D8qOP08JWsNMpalQI6UevCkr3WIxFmrUWbXEefSZwoVqMYlNCg==
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

2026-09-17T12:17:30.217027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008902
observed ce57a4662ad96ef368734edf1984c1ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.198147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008902/manifest.json
observed 0d36dc6e053982654419374ca3bec95b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.178848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008902/publication.md
observed 2539e3d3bb4e7cec4b1976a3a91ef720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.160775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008902/publication.txt
observed b037b2b4bfd8070274860ba565515469...
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.