OpenTechnical

OT-2026-000005152

Publication integrity record

Bellows cup vacuum gripper, four zone face, pump fed, pulsed blow off before 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-2026-000005152) never changes.

Identity and time

Publication numberOT-2026-000005152 · never reused
Internal UUID01a0a92f-8ae1-7414-b1f4-a6c35c729f04 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:47:40.387892Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005152
StatusPUBLIC

Content hashes

Canonical text401179d804579ba4833eed80b20fc0c3bb844b930bcc1da09a53529ca95d46ba
Markdown0319d89e3f683fbeff569e210e2f7b911c8736c61e6ff4dbd50f8091928d646b
PDF
Publication page334450571b9752af0cedcf2353fa86a6ed9f487dd4a937441e67e013f2bba3cf
Manifest02532006bebd03ffc6a58d8758ae5a1db9cb752db726ed5a2b37c52eab5ac01a

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
SignatureSMQSkwEkYff+OmjA+rzu3xyahTgUojvdDSRW0MrYkaXUyCTD6LUsImyTp9abghjaY1d1t9nvGYXmQKb4wTbCBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:09.714339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005152
observed 334450571b9752af0cedcf2353fa86a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.696442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005152/manifest.json
observed 02532006bebd03ffc6a58d8758ae5a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.681571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005152/publication.md
observed 0319d89e3f683fbeff569e210e2f7b91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.667059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005152/publication.txt
observed 401179d804579ba4833eed80b20fc0c3...
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.