OpenTechnical

OT-2026-000082269

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000082269) never changes.

Identity and time

Publication numberOT-2026-000082269 · never reused
Internal UUID01a0ae97-4d94-77bf-9e1e-c2d50eb586e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082269
StatusPUBLIC

Content hashes

Canonical textbf0b5d8c744219f8c8dd0dd07af2252acdfa0cedfd308fd68f65c11bb18fcfc5
Markdownd4c0ecf9876c74a3c9b43ac5c9e98c45e425c239ff55e282bb6fb9c364f8163f
PDF
Publication paged2b1a090eb6cf7f68cf03d791b0953bbf8010438229e2b0ad64d095564e607c9
Manifest50e60d39b08dd01a99f769094294d8b437b91524f0084337f05ebfb45665bee6

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
SignatureybFU5dZdFUWd8Pe4WJctgxyJFFhEyRkoI65VKifJlr56MXF1DzDce1uqoPm4Muvm81FVLLX9+/Mi03ACtyn9Bg==
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

2026-09-17T09:59:07.426477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082269
observed d2b1a090eb6cf7f68cf03d791b0953bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:07.409984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082269/manifest.json
observed 50e60d39b08dd01a99f769094294d8b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:07.392440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082269/publication.md
observed d4c0ecf9876c74a3c9b43ac5c9e98c45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:07.374603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082269/publication.txt
observed bf0b5d8c744219f8c8dd0dd07af2252a...
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.