OpenTechnical

OT-2026-000009479

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed 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-2026-000009479) never changes.

Identity and time

Publication numberOT-2026-000009479 · never reused
Internal UUID01a0ae6b-7562-78fb-987a-0eefb51b7c0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009479
StatusPUBLIC

Content hashes

Canonical textafc35f6d3709048ac0844ede3b58ba7844ce6033e4742dab652cce48284d744c
Markdown3765a9fd6505ea5246e4950a776fc5dff6c39af818f1bf6ec5064a21da290cd3
PDF
Publication pagec0f501759462de1afe810421cff4baea11bec0dc968509fabb44fb85eafaf866
Manifestf0a78393dc7ee33a50e09daa08c039c587ea17b22de6f150b1ccb03604d448d3

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
SignaturebfDfkowawXk08aNv+YseyMuZUbdotnv22kQffjJQW/zCXhOjsfonCvFvU4vZX8OoRJyXSuX3qb0gRZY7lR3SAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:52.495983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009479
observed c0f501759462de1afe810421cff4baea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.476171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009479/manifest.json
observed f0a78393dc7ee33a50e09daa08c039c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.455120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009479/publication.md
observed 3765a9fd6505ea5246e4950a776fc5df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.433672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009479/publication.txt
observed afc35f6d3709048ac0844ede3b58ba78...
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.