OpenTechnical

OT-2026-000018809

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000018809) never changes.

Identity and time

Publication numberOT-2026-000018809 · never reused
Internal UUID01a0ae6e-d521-73ac-aac1-752a0bc779c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018809
StatusPUBLIC

Content hashes

Canonical texte560e21490538e5d3b04648c09ce48cbbc0bf4ae7820d8e96c32b758093da890
Markdown5b6e98283d6d61583409ff55e6001127555d17cb3129f694c336d84de313107b
PDF
Publication page86d2e64e38d8b42ce6727a5b092b9ee067dbe20ce9ad7fb6ac4f000261182c03
Manifestb62d5d3cb63b2085c40e7d8e594d0830a8d19eb3bed38d672e0f8a1eaf4b2ccd

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
SignatureqrkJm2TOgUBHmoZubmuxbIHN8cP2t4Q7asTaH/brGAFxSzwclqrsAvngdHEX7vbS7TL/bq2Op5fbHovWEiogBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:26.339394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018809
observed 86d2e64e38d8b42ce6727a5b092b9ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.320338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018809/manifest.json
observed b62d5d3cb63b2085c40e7d8e594d0830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.302988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018809/publication.md
observed 5b6e98283d6d61583409ff55e6001127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.285347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018809/publication.txt
observed e560e21490538e5d3b04648c09ce48cb...
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.