OpenTechnical

OT-2026-000042819

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold 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-2026-000042819) never changes.

Identity and time

Publication numberOT-2026-000042819 · never reused
Internal UUID01a0ae7a-c0d0-7bdc-be7a-a09bc54616cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042819
StatusPUBLIC

Content hashes

Canonical text220ea5e6d7765b967de6a907a9686d012a7233b46a81704b26fbdbda9d262052
Markdownefd78ef9f80af72d2207767c032b631d1b994a59925eb19da4ff227ae0442a2a
PDF
Publication pageb2feba33c1920b66d90b0638824dbdcee897ce7d64fd5f2f2d8e1051d00efd44
Manifest062ebc043ea68e949fc70b1f9bf666e95a00db293008d14aef2d66ac1dac7c0c

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
SignatureJ6oio+Pamx2SB2YTaiCZm5CTV4zgZcFUC2rlVKYgfgMXlBXtyu5IeQnQH8+DiekKg0Lem0kjmXA9/v1IS1a8Bw==
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

2026-09-17T11:15:17.849881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042819
observed b2feba33c1920b66d90b0638824dbdce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:17.829755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042819/manifest.json
observed 062ebc043ea68e949fc70b1f9bf666e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:17.810755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042819/publication.md
observed efd78ef9f80af72d2207767c032b631d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:17.793294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042819/publication.txt
observed 220ea5e6d7765b967de6a907a9686d01...
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.