OpenTechnical

OT-2026-000083641

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, sustained blow-off before set-down

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-2026-000083641) never changes.

Identity and time

Publication numberOT-2026-000083641 · never reused
Internal UUID01a0ae98-0416-79ae-9a84-0de35219249e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083641
StatusPUBLIC

Content hashes

Canonical text6a36b96335d7dee941f76a300f3c4c68c1df732389e9c4b61726047834a3d52e
Markdown0a251616400a41e736c39f75fa4c145cf4f13891fee3a9837d73d1739b0e6273
PDF
Publication page71e91ef93f49fcd8548989fa80a74d4bfde505387b789c08bf9bc24a5e9c60d1
Manifesta242506d447d7665a8dc0117e3805e4226a647f4b6ac4989bc295a74c6cc23f2

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
SignatureOc3ouSFOmsDRKlWMPT0dSDB408NPMhn7FiLpcFKLrLhhW6LG5MfjmjYsZYf4nC2iNKQryMkviulARf9GDoIuBQ==
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

2026-09-17T09:57:15.362226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083641
observed 71e91ef93f49fcd8548989fa80a74d4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:15.346291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083641/manifest.json
observed a242506d447d7665a8dc0117e3805e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:15.328769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083641/publication.md
observed 0a251616400a41e736c39f75fa4c145c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:15.311654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083641/publication.txt
observed 6a36b96335d7dee941f76a300f3c4c68...
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.