OpenTechnical

OT-2026-000081244

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000081244) never changes.

Identity and time

Publication numberOT-2026-000081244 · never reused
Internal UUID01a0ae96-f374-7b7a-9be3-a0c07614a285 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081244
StatusPUBLIC

Content hashes

Canonical textca58acb9e04314f53d1c63c538e12903cb8e1fb6f72e9a9f0545f56e54fda918
Markdowne1e770968c9b3527e59c183657a3c384d2ee6f487117420848525b7739890aac
PDF
Publication pagecd3fb63e763534b65f39a9f546eef728bc34446db1a3c5145bbb492e3bcc34cf
Manifest28631a25014ad2c99cb7c9c05c1b46e8bd3b6ba203bf1741df2d540017d4c29e

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
SignaturetGILwM7ga8TghvHScypLcnx5oNrzVB6sNZH4/Qdc8szX4pdoQnTPcnH3u8fZegCFQkUyax98bTtJQdnXlqnWDQ==
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

2026-09-17T10:01:20.060857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081244
observed cd3fb63e763534b65f39a9f546eef728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:20.043776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081244/manifest.json
observed 28631a25014ad2c99cb7c9c05c1b46e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:20.016931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081244/publication.md
observed e1e770968c9b3527e59c183657a3c384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:19.997493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081244/publication.txt
observed ca58acb9e04314f53d1c63c538e12903...
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.