OpenTechnical

OT-2026-000049311

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000049311) never changes.

Identity and time

Publication numberOT-2026-000049311 · never reused
Internal UUID01a0ae81-1350-7b89-80aa-175f3fce0f95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049311
StatusPUBLIC

Content hashes

Canonical text05fc0b8400d4445e97deb8acc49a42ee98da34e684dce8b93bbfa821fbcd4a0f
Markdown21712b04f014843280ee79a2dde8e3370995b20f295c039bd2c35aef495f3ff4
PDF
Publication page6573a60481c6683cb5e6bd16bd2cd878b8d0b5ae4d11d50877220a2920cf41d0
Manifest40af36d52fb06c3c06f3f1183df85a8fff6a8cf682ed53a110d1c62283a8061c

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
SignatureXVLxt4AORq9PgiIH/wAYzl30QYaY4+IGjNu5S8akiYJ69BKEK+9XAtgSD08o4imkMDWdyRe2WArrx//tSgqfAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:04:10.773681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049311
observed 6573a60481c6683cb5e6bd16bd2cd878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:10.754633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049311/manifest.json
observed 40af36d52fb06c3c06f3f1183df85a8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:10.734415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049311/publication.md
observed 21712b04f014843280ee79a2dde8e337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:10.715214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049311/publication.txt
observed 05fc0b8400d4445e97deb8acc49a42ee...
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.