OpenTechnical

OT-2026-000055978

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000055978) never changes.

Identity and time

Publication numberOT-2026-000055978 · never reused
Internal UUID01a0ae87-0a4a-72b3-b2d3-62096156435a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055978
StatusPUBLIC

Content hashes

Canonical textc58c496d528383f5695c4b96130b715c06a84cd2c19f97fbdfed52b72817616c
Markdown349b729a4bdae589b7ea005cb63ac9838d30ae25dff9e30caa4fd989e58bd204
PDF
Publication pagedad3a180bfee7609200a18dedc87de6d659b1bda4a5cc64484ca7a0439a3a805
Manifestc97b501932c44ef90a0a725a8d5124c9db1ba6c9befcc8ad59a9a86a5e2b4818

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
SignatureKgQgujzDbqE53isUfPTrbxEHxyVTM2K+ypqBoYul2GVq+ndQMCR4qtV1bW9GhE2qx0C/mhOtf0n1MEE6Gcc9CA==
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

2026-09-17T10:51:30.041752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055978
observed dad3a180bfee7609200a18dedc87de6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:30.023180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055978/manifest.json
observed c97b501932c44ef90a0a725a8d5124c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:30.005847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055978/publication.md
observed 349b729a4bdae589b7ea005cb63ac983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:29.987950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055978/publication.txt
observed c58c496d528383f5695c4b96130b715c...
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.