OpenTechnical

OT-2026-000073894

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000073894) never changes.

Identity and time

Publication numberOT-2026-000073894 · never reused
Internal UUID01a0ae93-2b8e-79a7-b2b7-96e7f500970f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073894
StatusPUBLIC

Content hashes

Canonical textba993825712bfb3059a5a68f561430e7ffeebcba52bcb541495d0c856a56a9c5
Markdownbcb61c89932967a1d6ccf449581a215d130bd8825ceab603da6d4af26bde021a
PDF
Publication paged67b022bd733b42158bb664dc44f4f48472d855f0ab1f945685b26e776a6081c
Manifestcb1c18ec1e7996b11dde5110547d66efc55f31be966e4bf8bdd59ce6406ffae8

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
SignatureYSvU87Det27QLPP1EOAUhzW9fxPjekOAtOzzbupWIWYakjOuQ+cBijtY2sPxstB4znc1G1a+pw6JIwSHWcTNBg==
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

2026-09-17T10:20:02.900501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073894
observed d67b022bd733b42158bb664dc44f4f48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.882801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073894/manifest.json
observed cb1c18ec1e7996b11dde5110547d66ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.865034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073894/publication.md
observed bcb61c89932967a1d6ccf449581a215d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.843274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073894/publication.txt
observed ba993825712bfb3059a5a68f561430e7...
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.