OpenTechnical

OT-2026-000049370

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000049370) never changes.

Identity and time

Publication numberOT-2026-000049370 · never reused
Internal UUID01a0ae81-8f7b-7bde-bd69-e47a2ddbe079 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049370
StatusPUBLIC

Content hashes

Canonical text321a59379bce9f284651df47c4b05c1f6497159a3d4bf6c83595028a69d05c41
Markdown88402159bf2ee3b3c528f914fa9855c3028c2e9278aa991b1182e4d1f3e4e944
PDF
Publication page6be395317319dfad4c7634a5f04ecf351d4cdf4b1324ab84e0170d06cfa82cf9
Manifest1034f5acd65df109426552bb8ea46e267b8a74495247977091d249c0f5e76ca6

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
SignatureGNxre6c/+W2OPLAlran+OkDrf/yERO/1kK19QG0msQcShixvTgu/SuswSJX2pViVjbQB65o2c4qFeO06xvu0Ag==
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

2026-09-17T11:02:10.301644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049370
observed 6be395317319dfad4c7634a5f04ecf35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.283921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049370/manifest.json
observed 1034f5acd65df109426552bb8ea46e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.263483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049370/publication.md
observed 88402159bf2ee3b3c528f914fa9855c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.246024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049370/publication.txt
observed 321a59379bce9f284651df47c4b05c1f...
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.