OpenTechnical

OT-2026-000048192

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000048192) never changes.

Identity and time

Publication numberOT-2026-000048192 · never reused
Internal UUID01a0ae80-4de2-7a82-aeff-454daae1c924 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048192
StatusPUBLIC

Content hashes

Canonical text9f290386270d561ea02517255ec72762bdfbca220fa520c0c086579f998c47e2
Markdown1a4537ef39d4365782c51b4dfd1661da46a418d802b33f17f449d32b42ea11ca
PDF
Publication pageb03f08a41bbd44a602f2a2c7a574a57ecd52ffc7203adca72bc7212dedc316fd
Manifest0ac9fba13dad5fba6ad9559f2eac59254ef9eb1d6653b1232deffebecd707d37

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
SignatureZWr7aYoesI0OWVEC31SgvP906Oly8ju5Xx9eDICmr3KvX4ZLmbJsnVnHac64h0U4ijcFMPpAQxwhQoW4NfcVDg==
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

2026-09-17T11:04:44.078024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048192
observed b03f08a41bbd44a602f2a2c7a574a57e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:44.061161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048192/manifest.json
observed 0ac9fba13dad5fba6ad9559f2eac5925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:44.043931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048192/publication.md
observed 1a4537ef39d4365782c51b4dfd1661da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:44.026399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048192/publication.txt
observed 9f290386270d561ea02517255ec72762...
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.