OpenTechnical

OT-2026-000054087

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000054087) never changes.

Identity and time

Publication numberOT-2026-000054087 · never reused
Internal UUID01a0ae85-b3a7-7ac1-ae71-c5012cd53162 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054087
StatusPUBLIC

Content hashes

Canonical textfffc43b2c8d666659bae9a22be617a18d13161419da4bab32b4606099e7b9d73
Markdownfe9f1693a27da83a66c5008a56214c9bab43c0780d1b0d20bc532f840f0cacfb
PDF
Publication page8da7681e45fa60eb38aff006c16d3e672ac215c6a47ad0f43cb946d871153bad
Manifest853e5cab2061481ff6be672e63f55c82cea754a39206b09b65ffd386d22008f0

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
SignatureqdNoRHNQunsMq5IInbu77HmnUV5bILqeMpQMTX/uEdqFeNUMD8CfZzAeUkhqAaGYXbmCpgQT6TIuZj8Hzsr9Cw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:28.284807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054087
observed 8da7681e45fa60eb38aff006c16d3e67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:28.264503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054087/manifest.json
observed 853e5cab2061481ff6be672e63f55c82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:28.247329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054087/publication.md
observed fe9f1693a27da83a66c5008a56214c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:28.230874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054087/publication.txt
observed fffc43b2c8d666659bae9a22be617a18...
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.