OpenTechnical

OT-2026-000055406

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000055406) never changes.

Identity and time

Publication numberOT-2026-000055406 · never reused
Internal UUID01a0ae86-a101-732e-9388-22d8430d613b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055406
StatusPUBLIC

Content hashes

Canonical text8ccedbc919ed4ca6f245dc90a9bbcdf3a0c3fcf92262a930aa9700f47ac03ed6
Markdownc7a6c16c8cd20af07c63ed14012755564f045ff6fa2b6ede2c2af7f823b72864
PDF
Publication pagef1b04fe70d09b702b099fb3786bde7656e82b7e80250a0d2a36aa0182c5757ad
Manifestca45061430da37b335febe388a1a36a092585e34966130f98b8f52bcdd2f5f20

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
SignatureV7LhFCiCVEobMvigd/8maKRpA2rnuCL7FKeXNbSCKnsKCBUE3ycjj4yP6T3CkJjbE8GdgfFx4StLpXalrM1cDQ==
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

2026-09-17T10:52:02.870786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055406
observed f1b04fe70d09b702b099fb3786bde765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.854014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055406/manifest.json
observed ca45061430da37b335febe388a1a36a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.836518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055406/publication.md
observed c7a6c16c8cd20af07c63ed1401275556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.818899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055406/publication.txt
observed 8ccedbc919ed4ca6f245dc90a9bbcdf3...
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.