OpenTechnical

OT-2026-000084308

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000084308) never changes.

Identity and time

Publication numberOT-2026-000084308 · never reused
Internal UUID01a0ae98-5b61-7040-9d6b-8204ff4a7f97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084308
StatusPUBLIC

Content hashes

Canonical text1077bb83839310cba43aa1cfd4dd3b148c9afd1bd67f4d0e48eaa856722388f8
Markdownb8d06b2c924c1fbc08eb258afee53742471d24b4698635706bee4084043c3c1c
PDF
Publication page7814a2c8c6c2443b2f913e5c908acefb693a041be0117ca749c747c09a3d8604
Manifest0bd6b49277f8dc236bb5727e7f067f67e5469d963b239655387a6286b9e3102b

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
SignatureuNl2WXcAFh7ViS0/CGodL+JkgYglq+Se+y2YjRJI/IxnfcqqMLSLK/NyfKpSaxtbjh/7zVdK/mtLsfABF+B9CA==
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

2026-09-17T09:56:13.801634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084308
observed 7814a2c8c6c2443b2f913e5c908acefb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:13.784105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084308/manifest.json
observed 0bd6b49277f8dc236bb5727e7f067f67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:13.766537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084308/publication.md
observed b8d06b2c924c1fbc08eb258afee53742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:13.750770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084308/publication.txt
observed 1077bb83839310cba43aa1cfd4dd3b14...
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.