OpenTechnical

OT-2026-000020764

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000020764) never changes.

Identity and time

Publication numberOT-2026-000020764 · never reused
Internal UUID01a0ae6f-65e2-7325-97c9-bb7bc5c2837b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020764
StatusPUBLIC

Content hashes

Canonical text7e654b86d51a5421600ca9afa2b5d5f20c5836d9c67480c66f09e981c9375c8b
Markdown5235a9ab034de7f04338ed6e7968f694b61179e26d9f6ba40921203a55a6b1fb
PDF
Publication page55ec61f9c54fde53a787401769856e1966bd1729551882b63f7af617b56ec3f1
Manifestfabdf2cb45dcfec9939d3f6618bd64f8a837d749ec4b93a987134dd09bc5ef3e

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
SignatureZDG+do7QNk8vMITXWybL8jDnRnPLKPIQCqtupBlRULfGrY8pULmSFbe/dAvV39k//PctPBwaMWIn7ruyG2cABQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:55:50.449715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020764
observed 55ec61f9c54fde53a787401769856e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:50.432620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020764/manifest.json
observed fabdf2cb45dcfec9939d3f6618bd64f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:50.416724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020764/publication.md
observed 5235a9ab034de7f04338ed6e7968f694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:50.399804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020764/publication.txt
observed 7e654b86d51a5421600ca9afa2b5d5f2...
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.