OpenTechnical

OT-2026-000074229

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold 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-2026-000074229) never changes.

Identity and time

Publication numberOT-2026-000074229 · never reused
Internal UUID01a0ae93-7178-7111-8d27-5d45eaeafc90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074229
StatusPUBLIC

Content hashes

Canonical text35e431d01939b3cb22770f57dbac4dadc295826fda35e29d1c68137321ff10ee
Markdowne925b596f7ac99a694e1693cbfe261398059183ac153861f8a85ede92c0e90f4
PDF
Publication pagefac6d8306be97a91d978128a4724955ac4992bd7bc8ee7e086e25f104cf7701b
Manifest901fea827620a1b16eeaf66aefb509aa47022696b8bea2b11fc19202c73224b4

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
SignaturepsEN/AYM0dBUhjdPoUzMEDiyAqfy6jbBJBqdSakPTptZoGEDD8TzL9FPHBnoio1rSKddSJI61UEezxgpRmvtDw==
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

2026-09-17T10:19:05.773190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074229
observed fac6d8306be97a91d978128a4724955a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:05.754605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074229/manifest.json
observed 901fea827620a1b16eeaf66aefb509aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:05.736102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074229/publication.md
observed e925b596f7ac99a694e1693cbfe26139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:05.718951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074229/publication.txt
observed 35e431d01939b3cb22770f57dbac4dad...
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.