OpenTechnical

OT-2026-000073228

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000073228) never changes.

Identity and time

Publication numberOT-2026-000073228 · never reused
Internal UUID01a0ae92-efb6-7213-9e8c-acc4fa16b65e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073228
StatusPUBLIC

Content hashes

Canonical text0202a1f9024f28c0c3a78b8e707f2807022fdc054f624b5c1827b6ccd2d8bfe3
Markdowne98e3330dc046e40021688d98ee7327e1f2c4c68c7bc9111d356f2d52079ef7f
PDF
Publication pagec7fd279a4d89951bf9ef71ee939a97e7c32cf11bb7b664a4e04acae4718ff1ac
Manifest254464c0075e60c64efc6baa54e5ec74db841de47fb6fd4d6094e3e4f1b61207

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
Signature9+pvdTAGNasmy7ysgYNklVVeoyuwB05aznKEdTamdSVjdfLtnKwPmtW34RpyShMvt8En7zauzsrTBJI5HdJBBQ==
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

2026-09-17T10:21:12.564528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073228
observed c7fd279a4d89951bf9ef71ee939a97e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.542750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073228/manifest.json
observed 254464c0075e60c64efc6baa54e5ec74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.521887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073228/publication.md
observed e98e3330dc046e40021688d98ee7327e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.500138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073228/publication.txt
observed 0202a1f9024f28c0c3a78b8e707f2807...
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.