OpenTechnical

OT-2026-000089535

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two 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-2026-000089535) never changes.

Identity and time

Publication numberOT-2026-000089535 · never reused
Internal UUID01a0ae9c-1a21-74f4-802d-5e89c03e1cb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089535
StatusPUBLIC

Content hashes

Canonical text70966ce5ec627b65aba0ef32bb6c3958329c00634aadb3c63acc37ccc92a16e0
Markdowna071d852dd28602e3486e45e0aca2b266630dde09a37c93ed80211af04e8d4df
PDF
Publication pagecafc7805b056f3e2b4a930a69f686c10947339e176ac2d8768dd4410db7de948
Manifest909e5993211bbaa2e120c2a1ac38028a847ca9e639cf7b7a1bd46fbd0149f0ff

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
Signature0uVRnkD+OrDjGXQegg9FieuXucFrbrLVrPUHRf+zHEdAkl53IK09IHrkUD5f19p6m4a1evjuH2IlNlk9e92cCA==
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

2026-09-17T09:46:25.505189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089535
observed cafc7805b056f3e2b4a930a69f686c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:25.487369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089535/manifest.json
observed 909e5993211bbaa2e120c2a1ac38028a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:25.471166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089535/publication.md
observed a071d852dd28602e3486e45e0aca2b26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:25.454600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089535/publication.txt
observed 70966ce5ec627b65aba0ef32bb6c3958...
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.