OpenTechnical

OT-2026-000033218

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000033218) never changes.

Identity and time

Publication numberOT-2026-000033218 · never reused
Internal UUID01a0ae75-4844-7cc7-bc88-e6170577f766 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033218
StatusPUBLIC

Content hashes

Canonical text17deb9401e4b3858521caf3a18b18f789f4c81fe85decc5316ec00d42efafa96
Markdown9b67af6deaa3c690b7587693b13f6de9caf2203d0dea35ccd5fad47d546054e2
PDF
Publication pageb9556c4fca89ae2b5a7b8e68b8abab53c057025b274158210f773e867bb889a5
Manifestd17e3936615a8ae2d10fca9bccba9cad6b730515749b73889e2bdadb519d5c0c

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
SignaturePk5PZprVrmJPN2dEGnTvY3TJoxyZssdUge1KoosamqnchW4v9q1NKH4rOkgywm7uL9fVCsbflwpCHUwC5EKyDQ==
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

2026-09-17T11:32:55.282047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033218
observed b9556c4fca89ae2b5a7b8e68b8abab53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:55.265768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033218/manifest.json
observed d17e3936615a8ae2d10fca9bccba9cad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:55.248837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033218/publication.md
observed 9b67af6deaa3c690b7587693b13f6de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:55.232112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033218/publication.txt
observed 17deb9401e4b3858521caf3a18b18f78...
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.