OpenTechnical

OT-2026-000057643

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line 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-2026-000057643) never changes.

Identity and time

Publication numberOT-2026-000057643 · never reused
Internal UUID01a0ae88-2694-751c-a78c-d21c0f97ee6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057643
StatusPUBLIC

Content hashes

Canonical text3400e57f71e939171fe6e72fd29f4736efde3e637a2e3ed56ba03a3c5a4d38d3
Markdownba98338340d0751c02afb1a482305e76d335247d0ac5692ea6b04450b6b3faf8
PDF
Publication pagefa4ac83c1b19ef2e3d9b2b8428bb68d9c34133f00e8f6466a6c8fad59257bd81
Manifest56aacabed56287e43e1f3fc86cff2ac1213024ebd2736a8b37d834fc5c0b722e

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
Signature5kgaCtpVJyJsvn5T03ayR3DuSM1u2II/X8ZYHc/egwfDWiSZWg2pQaXp2732qPtuMmTMbKiBZVTQdJ8uXRlBBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:12.471957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057643
observed fa4ac83c1b19ef2e3d9b2b8428bb68d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.454842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057643/manifest.json
observed 56aacabed56287e43e1f3fc86cff2ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.436258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057643/publication.md
observed ba98338340d0751c02afb1a482305e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.419727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057643/publication.txt
observed 3400e57f71e939171fe6e72fd29f4736...
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.