OpenTechnical

OT-2026-000085913

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000085913) never changes.

Identity and time

Publication numberOT-2026-000085913 · never reused
Internal UUID01a0ae99-e82a-7b2a-992e-7b6b65978e0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085913
StatusPUBLIC

Content hashes

Canonical text3be15dbd4f89b55393f234d47937283ad51641d85cc5e6c4bb492a59fe4b5472
Markdown94fbebe7325d84e9e7a338572e91502977202602ec621231a834fd0699ddf4bf
PDF
Publication paged2878509938d4268f6d9107c3bca1a0b6f15a32425bb67649ba5808645e3764c
Manifestd6252cd179ab0e17e279feaf3519dcd12a34c84adfdac769323aac03f5ff93cc

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
Signature1Lbo1BDVYJCy+7KvK5Ne9pg5wJ025gt5HNItnX+AHo42q/38FwexYbRGNOPmIOj07BxSHpm+58Ont8PR7K4qBA==
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

2026-09-17T09:52:51.610970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085913
observed d2878509938d4268f6d9107c3bca1a0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.592875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085913/manifest.json
observed d6252cd179ab0e17e279feaf3519dcd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.574177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085913/publication.md
observed 94fbebe7325d84e9e7a338572e915029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.556796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085913/publication.txt
observed 3be15dbd4f89b55393f234d47937283a...
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.