OpenTechnical

OT-2026-000080601

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000080601) never changes.

Identity and time

Publication numberOT-2026-000080601 · never reused
Internal UUID01a0ae96-7e79-7ea8-8645-5d16306be777 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080601
StatusPUBLIC

Content hashes

Canonical textef77adbcd03786686e7aa687226d323bfefc72f4bff8cd0afa73a564784b6f05
Markdowna3b1af4fde09d721ba4252f940f9a345b065ac3947e71a1c7236f9516b70145b
PDF
Publication page8d7179016c6e1e2a7362df936b5dfbde138ff40640f8277ff2b17c3063c6a7c1
Manifesta7bcaadc511c9deb19d2e81a61f5f96116c467784f3def4195c8aaf37652b7be

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
SignatureV7pApyPFoqadRfIgJGMkZFfyFa1FDMMsbv6esXREC1s/kfRs84lqMnkecWuSLlyBhcWNgPT6wD2DcjBJjyI7Aw==
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

2026-09-17T10:03:14.265567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080601
observed 8d7179016c6e1e2a7362df936b5dfbde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.243976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080601/manifest.json
observed a7bcaadc511c9deb19d2e81a61f5f961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.223088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080601/publication.md
observed a3b1af4fde09d721ba4252f940f9a345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.202931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080601/publication.txt
observed ef77adbcd03786686e7aa687226d323b...
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.