OpenTechnical

OT-2026-000055981

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000055981) never changes.

Identity and time

Publication numberOT-2026-000055981 · never reused
Internal UUID01a0ae87-0a4a-7cc9-86b9-a2860775fb36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055981
StatusPUBLIC

Content hashes

Canonical textbf46804040705bbec6ec72ec6f3a12d1b791b3eeaab6e493660a99421e0012e1
Markdown5cfc60745728c3b4182ccd34aa6b3b764d04abcf4fb4209def5259c548616ec0
PDF
Publication page98daf7304345892048c8e281c1172e5f1f22bef72a132481dedb61d0eef087e9
Manifesta6884fe65b4c4303b21f1dfd7913d2def16c1ea228285c5d342a1c0584062578

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
Signature1tlfXeqMT2qxZkmJuj767cxn4Rh0prF7Sp/EbEcxCI2OrAiEwmp6fDnK1L+UbObLfhxZzCuUGXow7fYvejGrBg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:30.181455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055981
observed 98daf7304345892048c8e281c1172e5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:30.163599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055981/manifest.json
observed a6884fe65b4c4303b21f1dfd7913d2de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:30.147715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055981/publication.md
observed 5cfc60745728c3b4182ccd34aa6b3b76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:30.130362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055981/publication.txt
observed bf46804040705bbec6ec72ec6f3a12d1...
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.