OpenTechnical

OT-2026-000089448

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089448) never changes.

Identity and time

Publication numberOT-2026-000089448 · never reused
Internal UUID01a0ae9b-db02-75b9-ac7a-dde5a39596f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089448
StatusPUBLIC

Content hashes

Canonical text36c78a2938cb13b88937ef7890e716182597f5c1d068d6bcbaad43f3aa52fb5a
Markdown939bfd36d771baabeb2dfb4b6ef1f2ea46a6bd874ea3b93f71feae94529e3323
PDF
Publication page30a7b63faa7cc0be4b9081850a490fa0c8c9f42d761317f5dd3bbbcad25b2edc
Manifest108d6470ce184680053786721a0fbd5659133427578c3851d4f7f819f905f12c

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
SignaturekvQ8WjYeTp41ISWsnwOhYVELrQrqEYEKh0pdk660wOIBs2LHO/tLv8nvEW0X3++MtlWUflRSudubGQZZFJfzDg==
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

2026-09-17T09:47:35.835244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089448
observed 30a7b63faa7cc0be4b9081850a490fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.816731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089448/manifest.json
observed 108d6470ce184680053786721a0fbd56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.797267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089448/publication.md
observed 939bfd36d771baabeb2dfb4b6ef1f2ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.777537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089448/publication.txt
observed 36c78a2938cb13b88937ef7890e71618...
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.