OpenTechnical

OT-2026-000074974

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000074974) never changes.

Identity and time

Publication numberOT-2026-000074974 · never reused
Internal UUID01a0ae93-ac2d-79eb-a28c-9fa4af593785 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074974
StatusPUBLIC

Content hashes

Canonical texta417a0d05ee00af09e1932b1ba8fd0b4984d19c74da06de28fc4ad5d1cb44cdf
Markdown87dd09946c1e1567754d95155d04ba1d2a8d4186e931fff06a2d562a2d1ded0a
PDF
Publication pagec2ede8cfa131498746da7c479f393926661e0bd5380487e27debd635e0b98930
Manifest956fffac32c394750d1decabf7f16c8a2d20f943ad347a1363871b76777fe1c0

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
SignatureAMhTD3w9nS0fc2VPpn8u4VLLz+iog/3EVoQ0RM6KT5ykgnbqfh9EBVf2y5JZmhBHULE0Xw2NfaaL4FR5hP1ZBw==
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

2026-09-17T10:18:46.567782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074974
observed c2ede8cfa131498746da7c479f393926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:46.550990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074974/manifest.json
observed 956fffac32c394750d1decabf7f16c8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:46.532816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074974/publication.md
observed 87dd09946c1e1567754d95155d04ba1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:46.514525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074974/publication.txt
observed a417a0d05ee00af09e1932b1ba8fd0b4...
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.