OpenTechnical

OT-2026-000080775

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single 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-2026-000080775) never changes.

Identity and time

Publication numberOT-2026-000080775 · never reused
Internal UUID01a0ae96-b974-7764-a730-67797fde5418 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080775
StatusPUBLIC

Content hashes

Canonical text8181d5e1c2001be911d8c355254696cc91fe1445159527f5839aaa37fe91d5be
Markdowndac8703068dcb13f46e9ea8e0e938cb4b3f095eee75b91e93dd81e4f3100e3a9
PDF
Publication page48372c26e373a78c3860672c568eb4fc2b1ec9c1199696739eaf3a8d0c950fdc
Manifest1339d08a79cbb3bf729cf7924c6bdf4eb161fe2d37fbf7c9d33f0f8de0ec5918

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
SignatureRCg9rGg+x5EO3znPmIw4LtCy4PHv6EhPuehlgfVJwkEiRNNh81N2sLgDTLpGpRgr/r4BOtGRH0oqLQ2+JANCBg==
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

2026-09-17T10:01:56.592781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080775
observed 48372c26e373a78c3860672c568eb4fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:56.572447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080775/manifest.json
observed 1339d08a79cbb3bf729cf7924c6bdf4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:56.552610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080775/publication.md
observed dac8703068dcb13f46e9ea8e0e938cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:56.531745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080775/publication.txt
observed 8181d5e1c2001be911d8c355254696cc...
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.