OpenTechnical

OT-2026-000089708

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three 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-2026-000089708) never changes.

Identity and time

Publication numberOT-2026-000089708 · never reused
Internal UUID01a0ae9c-1a22-7d64-8845-1b367c9c6cac · 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-2026-000089708
StatusPUBLIC

Content hashes

Canonical text9a0e9a6ec0fa36502537873a847a88c2928a0972222fe135ab1a76527707da1d
Markdown4e34322c8b36f7f2c64aaf290c505e8d5a2b0d7233194a79c5aa6cf7b39da856
PDF
Publication pagea6229503d9a20967f1fbc2ba12c8f0888ac97336708d4b33714a76651f06f658
Manifest77e31afcd57850aa7804ed3216885c0d32fa15a4668da959cce100bd4e47924b

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
SignaturekfjsIteANsBr77dajoOO4ciwObgMa0CXmaugWCIG9uPQaV6AKoIfdep5dOhsTNmXuT4duNa0YebsAuedjtaHCw==
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

2026-09-17T09:46:42.605919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089708
observed a6229503d9a20967f1fbc2ba12c8f088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.589431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089708/manifest.json
observed 77e31afcd57850aa7804ed3216885c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.571217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089708/publication.md
observed 4e34322c8b36f7f2c64aaf290c505e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.553721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089708/publication.txt
observed 9a0e9a6ec0fa36502537873a847a88c2...
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.