OpenTechnical

OT-2026-000033770

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000033770) never changes.

Identity and time

Publication numberOT-2026-000033770 · never reused
Internal UUID01a0ae75-a391-7f86-b0d7-c8666a05a8df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033770
StatusPUBLIC

Content hashes

Canonical text741cad02de1797834099116955be06fe9c93830d38868f6fae8b6861fda5eec2
Markdownce52b7f85b369e143c59064a1f0a600a5a1838a9033dc16d61b1c88b2163b58f
PDF
Publication page934ecc5b16a8aaceb4af5ee33c92374be0657b468922ff92af405bd53e741341
Manifestfda7d9980820b6718d799199fbfd09e8758265bc71b61ac45ed61892148c355e

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
Signature96/cbO1auu+rqDcMXBomW9nY1NL51tcrITcoZTTtTfsiRQpopUeNs/AZ8X0ntuoyKcZZO2+GWmXZ7/mEXKiCCA==
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

2026-09-17T11:31:48.242107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033770
observed 934ecc5b16a8aaceb4af5ee33c92374b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:48.225347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033770/manifest.json
observed fda7d9980820b6718d799199fbfd09e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:48.205525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033770/publication.md
observed ce52b7f85b369e143c59064a1f0a600a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:48.187136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033770/publication.txt
observed 741cad02de1797834099116955be06fe...
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.