OpenTechnical

OT-2026-000090764

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000090764) never changes.

Identity and time

Publication numberOT-2026-000090764 · never reused
Internal UUID01a0ae9c-7f31-7d82-8f41-1c71860272ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090764
StatusPUBLIC

Content hashes

Canonical text9914f237f174b17a23edc3a922785f2316d59bf04df04c2cb5ccde48158a762b
Markdown15058096a7fa7b54c67ccf68e7602ac23d955594b3c67ab12d0a9a11fe319bcb
PDF
Publication paged22d26408158fd4d05fc3b7d04f6fa46d5cdc49e5dfc90b558009563a1544bfd
Manifest17c8bd59a425520eb9c3e28ef449bc94b96a84f637fe86d7a8902c0fea73c6f0

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
Signaturex2G9CZn4vM70NFYR9Z05DpAdMf59EDXgA2twUk0bfA/7aebU7MyA8gavKRBLyfBsqkpy1ISigaKZ/INlcF6GCg==
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

2026-09-17T09:44:57.705134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090764
observed d22d26408158fd4d05fc3b7d04f6fa46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:57.687211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090764/manifest.json
observed 17c8bd59a425520eb9c3e28ef449bc94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:57.668227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090764/publication.md
observed 15058096a7fa7b54c67ccf68e7602ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:57.649403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090764/publication.txt
observed 9914f237f174b17a23edc3a922785f23...
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.