OpenTechnical

OT-2026-000071646

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, vented 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-2026-000071646) never changes.

Identity and time

Publication numberOT-2026-000071646 · never reused
Internal UUID01a0ae92-1e90-7eaa-8cc6-f08569fd798b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071646
StatusPUBLIC

Content hashes

Canonical text6e60d963e9a7f9214bc5c708f84b90e399c7bd73f780649586d866921afe4bd1
Markdownff0d9af586a73cf99ae8a098a5e5e1e3b434ff158093be2cd121a3aa2168dba7
PDF
Publication page1fd76422ed8d50cedbc556aee49f0178ff39c7980ee0bef0dd6673686fa1ac72
Manifestb6dba5fcd4b5fd367e7d96377529b58f9e64a1fef3cd04e8b38a403e7088f37b

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
Signature193Zi/oPyj6iyEkjl55HB76Bbt6Ly9T7osS6u+LRZr7sHpBiZ4msAj3zs+OkICiGj94LXCYXHF4LEHLCqu1NAA==
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

2026-09-17T10:23:40.781100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071646
observed 1fd76422ed8d50cedbc556aee49f0178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:40.765246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071646/manifest.json
observed b6dba5fcd4b5fd367e7d96377529b58f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:40.749476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071646/publication.md
observed ff0d9af586a73cf99ae8a098a5e5e1e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:40.733934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071646/publication.txt
observed 6e60d963e9a7f9214bc5c708f84b90e3...
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.