OpenTechnical

OT-2026-000053655

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, supply line pressure sensor, 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-2026-000053655) never changes.

Identity and time

Publication numberOT-2026-000053655 · never reused
Internal UUID01a0ae85-0a95-7c73-bc8f-77877b49fbe8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053655
StatusPUBLIC

Content hashes

Canonical textcfefed373595cce1a6b6bc343bfc9ae08b60a4597cdc64b409d828392eea8a52
Markdowna112ad23d533b495ba2315096ed8daec03e1adf7f80dd82bfce525c161c17a98
PDF
Publication page5f5ab53cc1b26fd42fbbef2c5e7e550e00caf0ed6f6b344509fcf558f0528c78
Manifestb23238a57bd32f732ae4886c3f0086fb3d53db468eb04e8be3ef8053e3a45d88

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
SignaturerfSXpDCXLaGfdMh3+3Igug9fH/9wErg50IlO0piiobblAout9DHRyt/lvrCBPPAVON/DvNysQc+shErVgeCjBQ==
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

2026-09-17T10:55:32.605433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053655
observed 5f5ab53cc1b26fd42fbbef2c5e7e550e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:32.587442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053655/manifest.json
observed b23238a57bd32f732ae4886c3f0086fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:32.568226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053655/publication.md
observed a112ad23d533b495ba2315096ed8daec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:32.548781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053655/publication.txt
observed cfefed373595cce1a6b6bc343bfc9ae0...
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.