OpenTechnical

OT-2026-000078671

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000078671) never changes.

Identity and time

Publication numberOT-2026-000078671 · never reused
Internal UUID01a0ae95-ccbb-76f3-8f49-176558b3f09c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078671
StatusPUBLIC

Content hashes

Canonical text316c915fda4efa9b4ce68fdc22f89eb8f579c6113086d33908c6c575d7a9e614
Markdown8dc0b0278867b8780e101c50419f10bebbf16c262e726278e08c580918dc6bf8
PDF
Publication page4598139e2fdabf6f3460d8edaa7b0386465c365b20770e933b12055d8a5dfa86
Manifest55981e4fb8102f66de78599881731c3f9b8589ae90420e76b2420c1ec38625ac

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
SignatureNGPKy+uQq52x6s0vsvF2r8ozs9IJFLy6PZyceDaPaUVJdjT4YNuRtdC9eH529sBR2nFRCAoxH1XZzFkF81AFAA==
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

2026-09-17T10:05:26.788178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078671
observed 4598139e2fdabf6f3460d8edaa7b0386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:26.770379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078671/manifest.json
observed 55981e4fb8102f66de78599881731c3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:26.752537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078671/publication.md
observed 8dc0b0278867b8780e101c50419f10be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:26.734031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078671/publication.txt
observed 316c915fda4efa9b4ce68fdc22f89eb8...
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.