OpenTechnical

OT-2026-000087196

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, two stage ejector, sustained 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-2026-000087196) never changes.

Identity and time

Publication numberOT-2026-000087196 · never reused
Internal UUID01a0ae9a-9f2e-7904-bc58-7721bf9124b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087196
StatusPUBLIC

Content hashes

Canonical text1aeaf07f935ced7f989ac78fcf9798456b3837adada8f2ca5f5b12a0bc76e6d9
Markdown2a2f1693d8d421af2c787b436d7f828349e02f35debc821b6e956ca6d40e79eb
PDF
Publication page7db7c5d53d453114cc2bf08d32a7b5a307bf74ed7ec9aa1f492ce7c7f0c59c66
Manifestbda4dd1d929430cbc44106b4014e00d2d75d624d4b705d194fe4fa4dbec37bd3

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
SignatureEBQ21TDwOMwV5rWH2Ax4sMmNqen1VhZOYXHXbL43NsYbuBizoc3/1Zyh83PbP6c1ObtP6nxvF+77b6ffo27mAw==
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

2026-09-17T09:51:28.375683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087196
observed 7db7c5d53d453114cc2bf08d32a7b5a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.358964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087196/manifest.json
observed bda4dd1d929430cbc44106b4014e00d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.341202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087196/publication.md
observed 2a2f1693d8d421af2c787b436d7f8283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.324226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087196/publication.txt
observed 1aeaf07f935ced7f989ac78fcf979845...
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.