OpenTechnical

OT-2026-000033135

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000033135) never changes.

Identity and time

Publication numberOT-2026-000033135 · never reused
Internal UUID01a0ae75-4844-7175-b2cc-26a4574f5d2f · 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-2026-000033135
StatusPUBLIC

Content hashes

Canonical textb7dcefff3e79f1ae2f1c93672a213cf1facbe085dc8af32463f1dc60d6675c10
Markdown976581435e8096f5e855d90a6c96dcdaa1854a086076a58994d50a12343c4ca9
PDF
Publication page26dfc55a8348c0f95de5e0af260775a475a882e0ddbeee5fcc4b2a8c5b37a3eb
Manifestf049d170f432a33f90a0f115a4ab48fbf35eb30a750f209b7c66236982149545

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
SignatureanTG9cif/+BY0inyyOVA2QbPhomec4F1mvymlkmTh3DATbVgfhYhYWFcGpGBuZ0i/YgOab0ARlGfHljaSWk8DQ==
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

2026-09-17T11:32:49.062768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033135
observed 26dfc55a8348c0f95de5e0af260775a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.039178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033135/manifest.json
observed f049d170f432a33f90a0f115a4ab48fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.021149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033135/publication.md
observed 976581435e8096f5e855d90a6c96dcda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:48.997574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033135/publication.txt
observed b7dcefff3e79f1ae2f1c93672a213cf1...
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.