OpenTechnical

OT-2026-000072217

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000072217) never changes.

Identity and time

Publication numberOT-2026-000072217 · never reused
Internal UUID01a0ae92-47c2-793a-8b2b-bff972ae1c27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072217
StatusPUBLIC

Content hashes

Canonical textfc8df38e3787f08640f975bda78b66e1ab60d5cd0a4cdcf5e85957719453929e
Markdowna1e661f0890aa46f65292df653a578679259430348a5d86623c41e1a940eecd4
PDF
Publication page84a69ce32858765461215bca07691237e2c04d9a5ec821dc0d5e08e98e3a2abc
Manifest22ab1c197c9703d11301723844c796cf57485cbbcb897c30746517a5f2ac45aa

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
Signature7LMTTgxY4dg4OslLiuh2wLq5GrmVRkPvvZopKior/rf6AzuJf4jYw/tW7kZgKlB7ndvFaNNSj57waWN8ixLbBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:19.193376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072217
observed 84a69ce32858765461215bca07691237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:19.176955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072217/manifest.json
observed 22ab1c197c9703d11301723844c796cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:19.159904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072217/publication.md
observed a1e661f0890aa46f65292df653a57867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:19.142396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072217/publication.txt
observed fc8df38e3787f08640f975bda78b66e1...
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.