OpenTechnical

OT-2026-000063336

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000063336) never changes.

Identity and time

Publication numberOT-2026-000063336 · never reused
Internal UUID01a0ae8c-f943-75a0-9ae6-e147e7d16ae1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063336
StatusPUBLIC

Content hashes

Canonical text7cadd87d8444982c6342ae8545c7abb7c4ebc56be87110e5970e59b8614a5d83
Markdownc55e7606a07b5550f204dc524aed3211c591201613c221efef77bdb76e26e54a
PDF
Publication page12940c8a1b98492872146399c5a4a5fe925f95eff98db9b88c36d864e9476551
Manifestec4f492279345c1961059489d23e3101e3dc4b915e323eed3e2a9df1c1012b18

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
SignatureUAsH+4JGXEQ4Vf44N+Ovtkf9l7pHxqPMx0EXbjfDLYcpDtv3bhPiztYlUlra/v63eXlWDYGx5eTsLTy1Ww6MDQ==
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

2026-09-17T10:37:13.985606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063336
observed 12940c8a1b98492872146399c5a4a5fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:13.969099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063336/manifest.json
observed ec4f492279345c1961059489d23e3101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:13.952083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063336/publication.md
observed c55e7606a07b5550f204dc524aed3211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:13.934985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063336/publication.txt
observed 7cadd87d8444982c6342ae8545c7abb7...
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.