OpenTechnical

OT-2026-000006765

Publication integrity record

Bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, plastic cups

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-2026-000006765) never changes.

Identity and time

Publication numberOT-2026-000006765 · never reused
Internal UUID01a0a966-a5b6-71c8-8a85-0effbd5ec3ed · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:47:51.736940Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006765
StatusPUBLIC

Content hashes

Canonical text1562209bc9c86ae36f35d0d79c297fa7f9a55226078e54f91716a50393ee974c
Markdowna1ee87286c3a1ec8239fbc55ed4ce7f86f5437fe8b507997678978deb5c4bd42
PDF
Publication page85d4585b1a883b1ae7d5518e058ee65cf7a6fb43155fb828d45571f240ca14ad
Manifested042825b254b85b30079295df25579935c091aa944591405a0e539bb95f5719

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
SignatureFBlOJpaemM0brAck4d1KlomWarwV6I7QLkhwG1fDRJNCAhrJN04VO2LpZSgvlmRO3kKVoxrFdXYC+Q0M5haBAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:08.884520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006765
observed 85d4585b1a883b1ae7d5518e058ee65c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:08.746208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006765/manifest.json
observed ed042825b254b85b30079295df255799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:08.733471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006765/publication.md
observed a1ee87286c3a1ec8239fbc55ed4ce7f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:08.719506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006765/publication.txt
observed 1562209bc9c86ae36f35d0d79c297fa7...
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.