OpenTechnical

OT-2026-000078046

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000078046) never changes.

Identity and time

Publication numberOT-2026-000078046 · never reused
Internal UUID01a0ae95-6e8c-7945-b692-44a7d5307200 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078046
StatusPUBLIC

Content hashes

Canonical text03c2e39e1ef3b753c0f6e4c6058c9a6755dd2476f56f7719320a34e926280d80
Markdown57f73434dfaddf840f8e7947cfb907c68cdb0f6742849cb559320bc8f2267604
PDF
Publication pageb57f2e84658453bfd08e94377571a787e236eb48ca252aff63882474fbc84714
Manifestd8ca6ab1c1e44103b3c9b3111ba0e936b7e92524b85c3e150bce589d611a149c

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
SignatureBI83zX6VntEEwiS4C6kiREhduBl/0CmdIf+Bqj4FfsWlbW7dV8HV55ULqXlN9uiX28aICpP+WLsXKuRGktuJCg==
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

2026-09-17T10:06:44.513609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078046
observed b57f2e84658453bfd08e94377571a787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:44.494148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078046/manifest.json
observed d8ca6ab1c1e44103b3c9b3111ba0e936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:44.474249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078046/publication.md
observed 57f73434dfaddf840f8e7947cfb907c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:44.455627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078046/publication.txt
observed 03c2e39e1ef3b753c0f6e4c6058c9a67...
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.