OpenTechnical

OT-2026-000088894

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line 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-2026-000088894) never changes.

Identity and time

Publication numberOT-2026-000088894 · never reused
Internal UUID01a0ae9b-8f11-7f4c-a60a-553f32ef6412 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088894
StatusPUBLIC

Content hashes

Canonical textb805a83d275b1f01e9e73fbc3f8277ef63da428a000bd667c5b3c658ca35afd7
Markdown8b2df77bb22ae9934abbeaa18b0f63563621cbb3b934f23d85c8697fc8f4d669
PDF
Publication pagefbe4c6353dbe79dbe8908f097fe77f7b2b5d79afaae52efd58b8e5db456c9f8a
Manifest1ad7a004bf8f9dc2a4c475f28638bb24151b05d19e2f1d4ba2285896d1bb9c1b

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
Signature+6TX3ShMk3zyf06lUqmsKvHA8mntguAlGg8hQWCIbdCrSA7YQ3zWuqq2baNh0GyRZTpeehI2tpYg+E/fN3G4CA==
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

2026-09-17T09:48:17.728153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088894
observed fbe4c6353dbe79dbe8908f097fe77f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:17.711006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088894/manifest.json
observed 1ad7a004bf8f9dc2a4c475f28638bb24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:17.691339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088894/publication.md
observed 8b2df77bb22ae9934abbeaa18b0f6356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:17.674580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088894/publication.txt
observed b805a83d275b1f01e9e73fbc3f8277ef...
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.