OpenTechnical

OT-2026-000057519

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000057519) never changes.

Identity and time

Publication numberOT-2026-000057519 · never reused
Internal UUID01a0ae88-2693-7ae3-b73b-6175d86f72f2 · 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-2026-000057519
StatusPUBLIC

Content hashes

Canonical text77ec55133463e1add47fd66177adf1b45da34ebd8277581128f691c78490d70a
Markdown7a539f42cff16b81f6f70b7b2aa758bb59996ba22bd06a3b3d89fb67a7b5691e
PDF
Publication page56629518bf67c3276f59ba559a969afb9d4588bf958b7ed4ea229da534eac694
Manifestd124808d9b5c053969b6c0e845c62121dcd55204eef4cc12fc59bee9c597248d

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
SignatureMZmIb12wN51tI9X297vAn3l+90+/7l3nyoTFOxDGTBPGSI3Uc7t2nAfXIFcz2vQbdL3VgxlDbO1aL/49DKxmCw==
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

2026-09-17T10:48:03.067501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057519
observed 56629518bf67c3276f59ba559a969afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.049443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057519/manifest.json
observed d124808d9b5c053969b6c0e845c62121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.030716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057519/publication.md
observed 7a539f42cff16b81f6f70b7b2aa758bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.013423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057519/publication.txt
observed 77ec55133463e1add47fd66177adf1b4...
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.