OpenTechnical

OT-2026-000057498

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000057498) never changes.

Identity and time

Publication numberOT-2026-000057498 · never reused
Internal UUID01a0ae88-2692-72bd-89c4-342598ff61a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057498
StatusPUBLIC

Content hashes

Canonical text80cddf7a2154be352f6f53ebb3f409db16e926f2c9a5676407dd92cd244709a9
Markdown4c02ddc9cd29bc0d4636053f58decb9a8c8baedb41b55db6e67bf40470bd531b
PDF
Publication page18f9fd002bb08c3870cafaa85e43a5369274f0e1c970570b81205e4339fb6e1f
Manifest30ce261dd7db673fc32321fa91ce167584bc17f97dc9ef9e8a7fa8f560171db2

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
SignatureSP/AuN3k4nCa1uebsGWWB3Zy24nuKt2MzWN13fTzZpPARGAcRAAf0p4efO8TU9eyaUucGIMXcbrUSTrjmjcLDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:01.491372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057498
observed 18f9fd002bb08c3870cafaa85e43a536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.473393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057498/manifest.json
observed 30ce261dd7db673fc32321fa91ce1675...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.455966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057498/publication.md
observed 4c02ddc9cd29bc0d4636053f58decb9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.437805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057498/publication.txt
observed 80cddf7a2154be352f6f53ebb3f409db...
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.