OpenTechnical

OT-2026-000073888

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000073888) never changes.

Identity and time

Publication numberOT-2026-000073888 · never reused
Internal UUID01a0ae93-2b8e-712e-8667-5ebcfdd18084 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073888
StatusPUBLIC

Content hashes

Canonical text6a292e60de1c16569cf85b528f912176e7f201143afb0b85f07b18756aba6875
Markdownb33e513d79784f1a36627d94df34f9b1a52354930623012e59002195d91253e0
PDF
Publication pageadf0b60b3c80babc2a68af0dfb29461db9cbad11d776c8281ac1b99c96cdbe3b
Manifest58e8c425cbbdb4196dd732f1105bb4f3023d053c37c17115c3a5f826cb9cdb03

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
Signatureve7M4Hff5OFuG3zqJ7f60U/DuyAc5NazEB2EXU6vH3HxfwWdowCX/gwIWaj7ACDMwxzmsMEPzjWPwTMD1vr/Dw==
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

2026-09-17T10:20:02.436040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073888
observed adf0b60b3c80babc2a68af0dfb29461d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.411405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073888/manifest.json
observed 58e8c425cbbdb4196dd732f1105bb4f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.389471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073888/publication.md
observed b33e513d79784f1a36627d94df34f9b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.371366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073888/publication.txt
observed 6a292e60de1c16569cf85b528f912176...
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.