OpenTechnical

OT-2026-000005544

Publication integrity record

Bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure verified

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-2026-000005544) never changes.

Identity and time

Publication numberOT-2026-000005544 · never reused
Internal UUID01a0a93c-a84b-753e-b371-d4afb4d55771 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:01:59.886813Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005544
StatusPUBLIC

Content hashes

Canonical textb4cc31ac1067756b04b2d115c63f2089cbc543b63cc3d2c99a23c6ad92548dd9
Markdownd78818f4c673098860ae5bab68912c47358569f106506786f7c5f6db5237d827
PDF
Publication page8b730697233f98145a1d32b5dad8330940d5a1058414c1b3d5c56b136c7267ba
Manifesta560fc5890fd9721b168b56c822f4d13227c35536be2b513e35d940ff8b927ee

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
Signature52Gflbp1ttHaLMUZmOHKo/G0e1bRNvYnj1sgRjThLoxRstdrUAqJTBNdV21/kwfL5NkHbwB5gz5kgWQ5wVlSAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:28.444727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005544
observed 8b730697233f98145a1d32b5dad83309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:28.432438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005544/manifest.json
observed a560fc5890fd9721b168b56c822f4d13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:28.417976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005544/publication.md
observed d78818f4c673098860ae5bab68912c47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:28.403495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005544/publication.txt
observed b4cc31ac1067756b04b2d115c63f2089...
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.